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.cmcf-eyebrow{margin:0;color:var(--cmcf-muted);font-size:12px;font-weight:700;letter-spacing:.12em;text-transform:uppercase}.cmcf-v2 .cmcf-close,.cmcf-v2 .cmcf-close:hover,.cmcf-v2 .cmcf-close:focus,.cmcf-v2 .cmcf-close:active{display:block;width:42px;height:42px;padding:0;border:1px solid var(--cmcf-line)!important;border-radius:0;background:#fff!important;color:var(--cmcf-primary)!important;font-size:30px;line-height:1;cursor:pointer}.cmcf-v2 .cmcf-form{padding:20px}.cmcf-v2 .cmcf-filter-row{display:grid;grid-template-columns:1fr;gap:21px}.cmcf-v2 .cmcf-control-label{font-size:16px}.cmcf-v2 .cmcf-search,.cmcf-v2 .cmcf-filter-menu>summary{border-color:var(--cmcf-line)!important}.cmcf-v2 .cmcf-popover{position:static;width:100%;max-height:300px;margin-top:8px;box-shadow:none}.cmcf-v2 .cmcf-sidebar-actions{position:sticky;bottom:0;z-index:36;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;margin:24px -20px -20px;padding:15px 20px;border-top:1px solid var(--cmcf-line);background:#fff}.cmcf-v2 .cmcf-show,.cmcf-v2 .cmcf-show:hover,.cmcf-v2 .cmcf-show:focus,.cmcf-v2 .cmcf-show:active{display:block;background:var(--cmcf-primary)!important;color:#fff!important}.cmcf-v2 .cmcf-sidebar-actions button{width:100%;min-width:0;padding-inline:10px;white-space:nowrap}.cmcf-v2 .cmcf-show span{color:inherit!important}.cmcf-v2 .cmcf-overlay,.cmcf-v2 .cmcf-overlay:hover,.cmcf-v2 .cmcf-overlay:focus,.cmcf-v2 .cmcf-overlay:active{position:fixed;inset:0;z-index:100001;display:block;width:100%;height:100%;border:0!important;background:rgba(20,22,25,.5)!important;cursor:pointer}.cmcf-v2 .cmcf-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.cmcf-v2 .cmcf-toolbar .cmcf-result-count{display:none}}\n\t\t\t@media(max-width:620px){.cmcf-v2{padding:16px}.cmcf-v2 .cmcf-grid{grid-template-columns:1fr;gap:18px}.cmcf-v2 .cmcf-card-link{display:grid;grid-template-columns:132px minmax(0,1fr)}.cmcf-v2 .cmcf-media{height:100%;min-height:144px;aspect-ratio:auto}.cmcf-v2 .cmcf-card-copy{padding:17px 15px}.cmcf-v2 .cmcf-card h3{font-size:21px}.cmcf-v2 .cmcf-card p{margin-top:8px;font-size:14px;line-height:1.5}.cmcf-v2 .cmcf-toolbar{justify-content:flex-end}.cmcf-v2 .cmcf-search-wrap kbd{display:none}}\n\t\t\t@media(max-width:1023px){.cmcf-v2 .cmcf-seo-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}\n\t\t\t@media(max-width:620px){.cmcf-v2 .cmcf-seo-grid{grid-template-columns:1fr}.cmcf-v2 .cmcf-seo-fallback h2{font-size:21px}}\n\t\t\t@media(max-width:1023px){.cmcf-v2 .cmcf-overlay,.cmcf-v2 .cmcf-overlay:hover,.cmcf-v2 .cmcf-overlay:focus,.cmcf-v2 .cmcf-overlay:active{background:rgba(20,22,25,.5)!important}}\n\t\t\t@media(max-width:1023px){.cmcf-v2{width:100vw;margin-inline:calc(50% - 50vw)}.cmcf-v2 .cmcf-mobile-bar{display:block;width:calc(100% + 40px);min-height:66px;margin:-20px -20px 24px;padding:0;border:0;background:var(--cmcf-primary);box-shadow:0 8px 24px rgba(32,33,36,.14)}.cmcf-v2 .cmcf-mobile-bar-inner{display:flex;align-items:center;justify-content:space-between;gap:18px;width:90%;min-height:66px;margin:0 auto}.cmcf-v2 .cmcf-open,.cmcf-v2 .cmcf-open:hover,.cmcf-v2 .cmcf-open:focus,.cmcf-v2 .cmcf-open:active{min-height:66px;padding:0;border:0!important;background:transparent!important;color:#fff!important;font-size:17px}.cmcf-v2 .cmcf-mobile-result{color:rgba(255,255,255,.82)!important;font-size:15px}.cmcf-v2 .cmcf-card:hover{transform:none;border-color:var(--cmcf-line);box-shadow:0 8px 24px rgba(32,33,36,.05)}.cmcf-v2 .cmcf-card:hover .cmcf-media img{transform:none}.cmcf-v2 .cmcf-sort-control{gap:0}.cmcf-v2 .cmcf-sort-title{display:none}.cmcf-v2 .cmcf-sort-menu>summary{min-width:126px}}\n\t\t\t@media(max-width:620px){.cmcf-v2 .cmcf-mobile-bar{width:calc(100% + 32px);margin:-16px -16px 22px}.cmcf-v2 .cmcf-mobile-bar-inner{width:90%}.cmcf-v2 .cmcf-sort-menu>summary{min-width:116px;height:43px;padding-inline:13px 42px}.cmcf-v2 .cmcf-sort-options{min-width:140px}}\n\t\t\t@media(max-width:620px){.cmcf-v2 .cmcf-card-link,.cmcf-v2 .cmcf-card-link:hover,.cmcf-v2 .cmcf-card-link:focus,.cmcf-v2 .cmcf-card-link:active,.cmcf-v2 .cmcf-card-link:visited{display:grid!important;grid-template-columns:132px minmax(0,1fr)!important}.cmcf-v2 .cmcf-media,.cmcf-v2 .cmcf-card:hover .cmcf-media{width:132px!important;min-width:132px!important;max-width:132px!important;height:100%!important;min-height:144px;aspect-ratio:auto;transform:none!important}.cmcf-v2 .cmcf-media img,.cmcf-v2 .cmcf-card:hover .cmcf-media img{display:block!important;width:100%!important;height:100%!important;max-width:none!important;object-fit:cover!important;transform:none!important}}\n\t\t\t@media(hover:none),(pointer:coarse){.cmcf-v2 .cmcf-card,.cmcf-v2 .cmcf-card:hover{transform:none!important;border-color:var(--cmcf-line)!important;box-shadow:0 8px 24px rgba(32,33,36,.05)!important}.cmcf-v2 .cmcf-media img,.cmcf-v2 .cmcf-card:hover .cmcf-media img{transform:none!important;transition:none!important}}\n\t\t\t@media(prefers-reduced-motion:reduce){.cmcf-v2 .cmcf-sidebar,.cmcf-v2 .cmcf-card,.cmcf-v2 .cmcf-media img{transition:none!important}}\n\t\t<\/style>\n\t\t<script>\n\t\t(function(){\n\t\t\t'use strict';\n\t\t\tvar configs=[\n\t\t\t\t{key:'color',label:'Color',uiKey:'color',color:true},\n\t\t\t\t{key:'wearability',label:'Wearability',uiKey:'wearability'},\n\t\t\t\t{key:'countries',label:'Country',uiKey:'country'}\n\t\t\t];\n\t\t\tvar colorMap={colorless:'#f8f8f2',purple:'#795789',reddish_purple:'#9c4a80',red_purple_or_purple_red:'#a44162',strongly_purplish_red:'#bb3e50',slightly_purplish_red:'#c94d5e',pink:'#df8fa4',red:'#b33a34',orangy_red:'#c84c2b',red_orange_or_orange_red:'#d95a26',reddish_orange:'#e46d2d',orange:'#df7c2d',yellow_orange_or_orange_yellow:'#e8a33a',yellowish_orange:'#e8af48',orangy_yellow:'#e2c447',yellow:'#e6c54a',greenish_yellow:'#b6c54a',yellow_green_or_green_yellow:'#8db84c',strongly_yellowish_green:'#64a54a',yellowish_green:'#79ad4d',slightly_yellowish_green:'#91b457',green:'#4f8b58',very_slightly_bluish_green:'#4f9a74',bluish_green:'#3d9079',very_strongly_bluish_green:'#248b7f',green_blue_or_blue_green:'#368a98',very_strongly_greenish_blue:'#2b82b3',greenish_blue:'#3585ad',very_slightly_greenish_blue:'#4b80ad',blue:'#3974ae',violet_blue_or_blue_violet:'#596bb3',violetish_blue:'#5d62a3',bluish_violet:'#765fa2',violet:'#805aa0',violetish_purple:'#87538f',white:'#ffffff',gray:'#969b9d',brown:'#8a6245',black:'#202321'};\n\t\t\tvar labelMap={colorless:'Colorless',purple:'Purple (P)',reddish_purple:'reddish Purple (rP)',red_purple_or_purple_red:'Red-Purple or Purple-Red (RP\/PR)',strongly_purplish_red:'strongly purplish Red (stpR)',slightly_purplish_red:'slightly purplish Red (slpR)',pink:'Pink',red:'Red (R)',orangy_red:'orangy Red (oR)',red_orange_or_orange_red:'Red-Orange or Orange-Red (RO\/OR)',reddish_orange:'reddish Orange (rO)',orange:'Orange (O)',yellow_orange_or_orange_yellow:'Yellow-Orange or Orange-Yellow (YO\/OY)',yellowish_orange:'yellowish Orange (yO)',orangy_yellow:'orangy Yellow (oY)',yellow:'Yellow (Y)',greenish_yellow:'greenish Yellow (gY)',yellow_green_or_green_yellow:'Yellow-Green or Green-Yellow (YG\/GY)',strongly_yellowish_green:'strongly yellowish Green (styG)',yellowish_green:'yellowish Green (yG)',slightly_yellowish_green:'slightly yellowish Green (slyG)',green:'Green (G)',very_slightly_bluish_green:'very slightly bluish Green (vslbG)',bluish_green:'bluish Green (bG)',very_strongly_bluish_green:'very strongly bluish Green (vstbG)',green_blue_or_blue_green:'Green-Blue or Blue-Green (GB\/BG)',very_strongly_greenish_blue:'very strongly greenish Blue (vstgB)',greenish_blue:'greenish Blue (gB)',very_slightly_greenish_blue:'very slightly greenish Blue (vslgB)',blue:'Blue (B)',violet_blue_or_blue_violet:'Violet-Blue or Blue-Violet (VB\/BV)',violetish_blue:'violetish Blue (vB)',bluish_violet:'bluish Violet (bV)',violet:'Violet (V)',violetish_purple:'violetish Purple (vP)',white:'White',gray:'Gray',brown:'Brown',black:'Black',display_only:'Display only',poor:'Poor',good_too_poor:'Good too poor',good:'Good',very_good:'Very Good',excellent:'Excellent',everyday:'Everyday Wear',frequent:'Frequent Wear',occasional:'Occasional Wear',collector:'Collector \/ Display',cote_d_ivoire:\"Cote d'Ivoire\",guinea_bissau:'Guinea-Bissau',timor_leste:'Timor-Leste',united_states:'United States',united_kingdom:'United Kingdom'};\n\n\t\t\tfunction cleanText(value){\n\t\t\t\tvar text=value===null||value===undefined?'':String(value);\n\t\t\t\tif(text.length>20000){text=text.slice(0,20000);}\n\t\t\t\tif(text.indexOf('&')===-1&&text.indexOf('<')===-1){return text.trim();}\n\t\t\t\tfor(var pass=0;pass<2;pass++){\n\t\t\t\t\tvar parsed=new DOMParser().parseFromString(text,'text\/html');\n\t\t\t\t\tvar decoded=parsed.body?parsed.body.textContent||'':text;\n\t\t\t\t\tif(decoded===text){break;}\n\t\t\t\t\ttext=decoded;\n\t\t\t\t}\n\t\t\t\treturn text.trim();\n\t\t\t}\n\t\t\tfunction cleanLiteralMarkup(scope){var walker=document.createTreeWalker(scope,NodeFilter.SHOW_TEXT),nodes=[],node;while((node=walker.nextNode())){if(String(node.nodeValue||'').toLowerCase().indexOf('data-no-translation')!==-1){nodes.push(node);}}nodes.forEach(function(textNode){textNode.nodeValue=cleanText(textNode.nodeValue);});}\n\t\t\tfunction labelize(value){value=cleanText(value);if(Object.prototype.hasOwnProperty.call(labelMap,value)){return labelMap[value];}return value.replace(\/_\/g,' ').replace(\/\\b\\w\/g,function(c){return c.toUpperCase();});}\n\t\t\tfunction normalize(value){var text=String(value||'').toLowerCase();return text.normalize?text.normalize('NFD').replace(\/[\\u0300-\\u036f]\/g,''):text;}\n\t\t\tfunction values(item,key){var value=item&&item[key];return (Array.isArray(value)?value:(value?[value]:[])).filter(function(entry){return typeof entry==='string'||typeof entry==='number';}).map(function(entry){return String(entry).slice(0,120);});}\n\t\t\tfunction element(tag,className,text){var el=document.createElement(tag);if(className){el.className=className;}if(text!==undefined){el.textContent=text;}return el;}\n\t\t\tfunction variableElement(tag,className,text){var el=element(tag,className,text);el.setAttribute('translate','no');el.setAttribute('data-no-translation','');return el;}\n\t\t\tfunction safeHttpUrl(value,sameOrigin){\n\t\t\t\ttry{\n\t\t\t\t\tvar parsed=new URL(String(value||''),window.location.href);\n\t\t\t\t\tif(parsed.protocol!=='http:'&&parsed.protocol!=='https:'){return '';}\n\t\t\t\t\tif(sameOrigin&&parsed.origin!==window.location.origin){return '';}\n\t\t\t\t\treturn parsed.href;\n\t\t\t\t}catch(error){return '';}\n\t\t\t}\n\t\t\tfunction directoryPath(value){var clean=String(value||'').replace(\/^\\\/+|\\\/+$\/g,'');return clean?'\/'+clean+'\/':'\/';}\n\t\t\tfunction pathContains(path,base){base=directoryPath(base);path='\/' + String(path||'').replace(\/^\\\/+\/, '');return base==='\/'||path===base.slice(0,-1)||path.indexOf(base)===0;}\n\t\t\tfunction knownLanguageSlugs(root){try{var values=JSON.parse(root.dataset.languageSlugs||'[]');return Array.isArray(values)?values.map(function(value){return String(value||'').toLowerCase();}).filter(Boolean):[];}catch(error){return [];}}\n\t\t\tfunction stripKnownLanguagePrefix(relative,root){var parts=String(relative||'').split('\/'),first='';try{first=decodeURIComponent(parts[0]||'').toLowerCase();}catch(error){first=String(parts[0]||'').toLowerCase();}if(first&&knownLanguageSlugs(root).indexOf(first)!==-1){parts.shift();}return parts.join('\/');}\n\t\t\tfunction localizedItemUrl(value,root){\n\t\t\t\tvar itemUrl=safeHttpUrl(value,false),languageHome=safeHttpUrl(root.dataset.languageHome,false),defaultHome=safeHttpUrl(root.dataset.defaultHome,false);\n\t\t\t\tif(!itemUrl||!languageHome||!defaultHome){return itemUrl;}\n\t\t\t\ttry{\n\t\t\t\t\tvar item=new URL(itemUrl),localized=new URL(languageHome),base=new URL(defaultHome);\n\t\t\t\t\tvar isDefault=localized.href.replace(\/\\\/$\/,'')===base.href.replace(\/\\\/$\/,'');\n\t\t\t\t\tif(!isDefault&&item.origin===localized.origin&&pathContains(item.pathname,localized.pathname)){return item.href;}\n\t\t\t\t\tif(item.origin!==base.origin){return item.href;}\n\t\t\t\t\tif(!pathContains(item.pathname,base.pathname)){return item.href;}\n\t\t\t\t\tvar basePath=directoryPath(base.pathname),itemPath='\/' + item.pathname.replace(\/^\\\/+\/,''),relative=basePath==='\/'?itemPath.slice(1):itemPath.slice(basePath.length);relative=stripKnownLanguagePrefix(relative,root);\n\t\t\t\t\tvar localizedPath=isDefault?basePath:directoryPath(localized.pathname);\n\t\t\t\t\titem.protocol=localized.protocol;item.host=localized.host;item.pathname=localizedPath+relative.replace(\/^\\\/+\/, '');\n\t\t\t\t\treturn item.href;\n\t\t\t\t}catch(error){return itemUrl;}\n\t\t\t}\n\t\t\tfunction initialQuery(){\n\t\t\t\ttry{\n\t\t\t\t\tvar params=new URLSearchParams(window.location.search);\n\t\t\t\t\treturn cleanText(params.get('q')||params.get('search')||'').slice(0,160);\n\t\t\t\t}catch(error){return '';}\n\t\t\t}\n\n\t\t\tfunction init(root){\n\t\t\t\tif(root.dataset.ready){return;}root.dataset.ready='1';\n\t\t\t\tcleanLiteralMarkup(root);\n\t\t\t\tvar grid=root.querySelector('[data-grid]'),status=root.querySelector('[data-status]'),empty=root.querySelector('[data-empty]'),resultCount=root.querySelector('[data-result-count]'),mobileResult=root.querySelector('[data-mobile-result]'),activeWrap=root.querySelector('[data-active-filters]'),activeCount=root.querySelector('[data-active-count]'),showCount=root.querySelector('[data-show-count]'),search=root.querySelector('.cmcf-search'),sortMenu=root.querySelector('.cmcf-sort-menu'),sortLabel=root.querySelector('[data-sort-label]'),sortButtons=Array.prototype.slice.call(root.querySelectorAll('[data-sort-value]')),minInput=root.querySelector('[data-hardness-min]'),maxInput=root.querySelector('[data-hardness-max]'),hardnessCount=root.querySelector('[data-hardness-count]'),sentinel=root.querySelector('[data-sentinel]'),form=root.querySelector('.cmcf-form'),sidebar=root.querySelector('.cmcf-sidebar'),overlay=root.querySelector('.cmcf-overlay'),openButton=root.querySelector('.cmcf-open'),closeButton=root.querySelector('.cmcf-close');\n\t\t\t\tvar state={items:[],filtered:[],shown:0,batch:parseInt(root.dataset.batch,10)||48,timer:0,observer:null,sort:'az',facetTranslations:{},ui:{},loading:false,retries:0,retryTimer:0};\n\t\t\t\tfunction beginBoot(){root.classList.remove('cmcf-ready','cmcf-load-error');root.classList.add('cmcf-booting');root.setAttribute('aria-busy','true');var boot=root.querySelector('[data-cmcf-boot-screen]');if(boot){boot.hidden=false;}}\n\t\t\t\tfunction finishBoot(failed){root.classList.remove('cmcf-booting');root.classList.add(failed?'cmcf-load-error':'cmcf-ready');root.setAttribute('aria-busy','false');var boot=root.querySelector('[data-cmcf-boot-screen]');if(boot){boot.hidden=true;}}\n\t\t\t\tvar collator=typeof Intl!=='undefined'&&Intl.Collator?new Intl.Collator(undefined,{sensitivity:'base',numeric:true}):null;\n\t\t\t\tvar prefilledQuery=initialQuery();if(prefilledQuery){search.value=prefilledQuery;}\n\t\t\t\tfunction localized(value,fallback){var cleaned=typeof value==='string'?cleanText(value):'';return cleaned!==''?cleaned:cleanText(fallback||'');}\n\t\t\t\tfunction uiText(key,fallback){return localized(state.ui[key],fallback);}\n\t\t\t\tfunction itemText(item,key){if(!item||typeof item!=='object'){return '';}if(!item._cmcfText||typeof item._cmcfText!=='object'||Array.isArray(item._cmcfText)){item._cmcfText=Object.create(null);}if(!Object.prototype.hasOwnProperty.call(item._cmcfText,key)){item._cmcfText[key]=localized(item[key],'');}return item._cmcfText[key];}\n\t\t\t\tfunction itemSearchText(item){var terms=[item.search||''];if(Array.isArray(item.search_terms)){terms=terms.concat(item.search_terms);}return terms.map(cleanText).join(' ');}\n\t\t\t\tfunction facetLabel(key,value){var facets=state.facetTranslations[key]||{},translated=Object.prototype.hasOwnProperty.call(facets,value)?facets[value]:'';return localized(translated,labelize(value));}\n\n\t\t\t\tfunction setSort(value){state.sort=value==='za'?'za':'az';sortLabel.textContent=state.sort==='za'?uiText('z_to_a','Z to A'):uiText('a_to_z','A to Z');sortButtons.forEach(function(button){button.textContent=button.dataset.sortValue==='za'?uiText('z_to_a','Z to A'):uiText('a_to_z','A to Z');button.setAttribute('aria-pressed',button.dataset.sortValue===state.sort?'true':'false');});if(sortMenu){sortMenu.open=false;}}\n\n\t\t\t\tfunction openDrawer(focusSearch){root.classList.add('is-drawer-open');overlay.hidden=false;sidebar.setAttribute('aria-hidden','false');openButton.setAttribute('aria-expanded','true');document.body.classList.add('cmcf-drawer-open');window.setTimeout(function(){(focusSearch?search:closeButton).focus();},40);}\n\t\t\t\tfunction closeDrawer(restoreFocus){root.classList.remove('is-drawer-open');overlay.hidden=true;openButton.setAttribute('aria-expanded','false');document.body.classList.remove('cmcf-drawer-open');if(window.innerWidth<1024){sidebar.setAttribute('aria-hidden','true');}if(restoreFocus!==false){openButton.focus();}}\n\t\t\t\topenButton.addEventListener('click',function(){openDrawer(false);});closeButton.addEventListener('click',function(){closeDrawer(true);});overlay.addEventListener('click',function(){closeDrawer(true);});root.querySelector('.cmcf-show').addEventListener('click',function(){closeDrawer(true);});\n\t\t\t\tdocument.addEventListener('keydown',function(event){\n\t\t\t\t\tif(event.key==='Escape'&&root.classList.contains('is-drawer-open')){closeDrawer(true);return;}\n\t\t\t\t\tif(event.key==='Escape'){root.querySelectorAll('.cmcf-filter-menu[open],.cmcf-sort-menu[open]').forEach(function(details){details.open=false;});return;}\n\t\t\t\t\tif((event.ctrlKey||event.metaKey)&&String(event.key).toLowerCase()==='k'&&document.querySelector('[data-cmcf-v2]')===root){event.preventDefault();if(window.innerWidth<1024&&!root.classList.contains('is-drawer-open')){openDrawer(true);}else{search.focus();search.select();}}\n\t\t\t\t});\n\t\t\t\twindow.addEventListener('resize',function(){if(window.innerWidth>=1024){root.classList.remove('is-drawer-open');overlay.hidden=true;sidebar.setAttribute('aria-hidden','false');openButton.setAttribute('aria-expanded','false');document.body.classList.remove('cmcf-drawer-open');}else if(!root.classList.contains('is-drawer-open')){sidebar.setAttribute('aria-hidden','true');}});\n\t\t\t\tif(window.innerWidth<1024){sidebar.setAttribute('aria-hidden','true');}\n\n\t\t\t\tfunction buildFacets(){\n\t\t\t\t\tconfigs.forEach(function(config){\n\t\t\t\t\t\tvar slot=root.querySelector('[data-facet-slot=\"'+config.key+'\"]'),totals=new Map();slot.replaceChildren();\n\t\t\t\t\t\tstate.items.forEach(function(item){values(item,config.key).forEach(function(value){totals.set(value,(totals.get(value)||0)+1);});});\n\t\t\t\t\t\tslot.hidden=false;\n\t\t\t\t\t\tvar configLabel=uiText(config.uiKey,config.label);\n\t\t\t\t\t\tslot.appendChild(element('span','cmcf-control-label',configLabel));\n\t\t\t\t\t\tvar details=element('details','cmcf-filter-menu');details.dataset.facet=config.key;\n\t\t\t\t\t\tvar summary=document.createElement('summary'),summaryText=element('span','',configLabel),selected=variableElement('span','cmcf-summary-count'),arrow=element('span','cmcf-menu-arrow');selected.dataset.facetCount=config.key;selected.hidden=true;arrow.setAttribute('aria-hidden','true');summary.appendChild(summaryText);summary.appendChild(selected);summary.appendChild(arrow);details.appendChild(summary);\n\t\t\t\t\t\tvar options=element('div','cmcf-popover cmcf-options');\n\t\t\t\t\t\tArray.from(totals.entries()).sort(function(a,b){return facetLabel(config.key,a[0]).localeCompare(facetLabel(config.key,b[0]));}).forEach(function(entry){\n\t\t\t\t\t\t\tvar option=element('label','cmcf-option'),input=document.createElement('input'),name=element('span','cmcf-option-name'),optionText=element('span','cmcf-option-text',facetLabel(config.key,entry[0])),total=variableElement('span','cmcf-option-total',String(entry[1]));input.type='checkbox';input.name=config.key;input.value=entry[0];optionText.setAttribute('dir','auto');\n\t\t\t\t\t\t\tif(config.color){var swatch=element('span','cmcf-swatch');swatch.style.backgroundColor=Object.prototype.hasOwnProperty.call(colorMap,entry[0])?colorMap[entry[0]]:'#d8d9e1';swatch.setAttribute('aria-hidden','true');name.appendChild(swatch);}name.appendChild(optionText);option.appendChild(input);option.appendChild(name);option.appendChild(total);options.appendChild(option);\n\t\t\t\t\t\t});\n\t\t\t\t\t\tif(!totals.size){options.appendChild(element('p','cmcf-no-options',uiText('no_options','No options assigned yet.')));}\n\t\t\t\t\t\tdetails.appendChild(options);slot.appendChild(details);\n\t\t\t\t\t\tdetails.addEventListener('toggle',function(){if(details.open&&window.innerWidth>=1024){root.querySelectorAll('.cmcf-filter-menu[open]').forEach(function(other){if(other!==details){other.open=false;}});if(sortMenu){sortMenu.open=false;}}});\n\t\t\t\t\t});\n\t\t\t\t\tvar hardness=[];state.items.forEach(function(item){if(Number.isFinite(item.hardness_min)){hardness.push(item.hardness_min);}if(Number.isFinite(item.hardness_max)){hardness.push(item.hardness_max);}});\n\t\t\t\t\tif(hardness.length){var low=Math.min.apply(null,hardness),high=Math.max.apply(null,hardness);minInput.min=low;minInput.max=high;minInput.placeholder=String(low);maxInput.min=low;maxInput.max=high;maxInput.placeholder=String(high);}else{minInput.min='1';minInput.max='10';minInput.placeholder='1';maxInput.min='1';maxInput.max='10';maxInput.placeholder='10';}\n\t\t\t\t}\n\n\t\t\t\tfunction selectedFor(key){return Array.from(form.querySelectorAll('input[name=\"'+key+'\"]:checked')).map(function(input){return input.value;});}\n\t\t\t\tfunction currentCriteria(){\n\t\t\t\t\tvar rawQuery=String(search.value||'').slice(0,160);if(search.value!==rawQuery){search.value=rawQuery;}\n\t\t\t\t\tvar normalizedQuery=normalize(rawQuery).trim();\n\t\t\t\t\tvar selected={};configs.forEach(function(config){selected[config.key]=selectedFor(config.key);});\n\t\t\t\t\tvar wantedMin=minInput.value===''?null:Number(minInput.value),wantedMax=maxInput.value===''?null:Number(maxInput.value);\n\t\t\t\t\treturn {terms:normalizedQuery?normalizedQuery.split(\/\\s+\/).slice(0,16):[],selected:selected,min:Number.isFinite(wantedMin)?wantedMin:null,max:Number.isFinite(wantedMax)?wantedMax:null};\n\t\t\t\t}\n\t\t\t\tfunction matches(item,criteria){\n\t\t\t\t\tif(!item||typeof item!=='object'){return false;}\n\t\t\t\t\tif(criteria.terms.length){if(typeof 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title=itemText(item,'title'),excerpt=itemText(item,'excerpt'),itemUrl=localizedItemUrl(itemText(item,'url'),root),imageUrl=safeHttpUrl(itemText(item,'image'),false),imageAlt=itemText(item,'image_alt')||((title||'Mineral')+' mineral');if(!itemUrl){return null;}var article=element('article','cmcf-card'),link=element('a','cmcf-card-link'),media=element('div','cmcf-media'),copy=element('div','cmcf-card-copy'),heading=element('h3','',title);heading.setAttribute('dir','auto');link.href=itemUrl;if(imageUrl){var image=document.createElement('img');image.src=imageUrl;image.alt=imageAlt;image.loading='lazy';image.decoding='async';media.appendChild(image);}else{media.appendChild(variableElement('div','cmcf-placeholder',(title||'?').charAt(0).toUpperCase()));}copy.appendChild(heading);if(excerpt){var description=element('p','',excerpt);description.setAttribute('dir','auto');copy.appendChild(description);}link.appendChild(media);link.appendChild(copy);article.appendChild(link);return article;}\n\t\t\t\tfunction appendNext(){var end=Math.min(state.shown+state.batch,state.filtered.length),fragment=document.createDocumentFragment();for(var i=state.shown;i<end;i++){var card=createCard(state.filtered[i]);if(card){fragment.appendChild(card);}}grid.appendChild(fragment);state.shown=end;sentinel.hidden=state.shown>=state.filtered.length;}\n\t\t\t\tfunction updateChips(){\n\t\t\t\t\tactiveWrap.replaceChildren();var count=0;\n\t\t\t\t\tfunction textPart(text){return element('span','cmcf-chip-text',text);}\n\t\t\t\t\tfunction valuePart(text){return variableElement('span','cmcf-chip-value',text);}\n\t\t\t\t\tfunction rangePart(value){return value!==''?valuePart(value):textPart(uiText('any','any'));}\n\t\t\t\t\tfunction chip(parts,remove){var button=element('button','cmcf-chip');button.type='button';(Array.isArray(parts)?parts:[parts]).forEach(function(part){if(part){button.appendChild(part);}});button.addEventListener('click',remove);activeWrap.appendChild(button);count++;}\n\t\t\t\t\tif(search.value.trim()){chip([textPart(uiText('search_prefix','Search')+':'),valuePart(search.value.trim())],function(){search.value='';apply();search.focus();});}\n\t\t\t\t\tconfigs.forEach(function(config){form.querySelectorAll('input[name=\"'+config.key+'\"]:checked').forEach(function(input){chip(textPart(facetLabel(config.key,input.value)),function(){input.checked=false;apply();});});var n=selectedFor(config.key).length,badge=form.querySelector('[data-facet-count=\"'+config.key+'\"]');if(badge){badge.textContent=n;badge.hidden=!n;}});\n\t\t\t\t\tif(minInput.value!==''||maxInput.value!==''){chip([textPart(uiText('hardness_prefix','Hardness')+':'),rangePart(minInput.value),textPart(uiText('to','to')),rangePart(maxInput.value)],function(){minInput.value='';maxInput.value='';apply();});hardnessCount.textContent='1';hardnessCount.hidden=false;}else{hardnessCount.textContent='';hardnessCount.hidden=true;}\n\t\t\t\t\tactiveWrap.hidden=!count;activeCount.textContent=count;activeCount.hidden=!count;\n\t\t\t\t}\n\n\t\t\t\tfunction setResultLabel(node,count,label){if(!node){return;}node.replaceChildren(variableElement('span','cmcf-count-number',Number(count).toLocaleString()),element('span','cmcf-count-word',label));}\n\t\t\t\tfunction apply(){var criteria=currentCriteria();state.filtered=state.items.filter(function(item){return matches(item,criteria);});state.filtered.sort(function(a,b){var first=itemText(a,'title'),second=itemText(b,'title'),result=collator?collator.compare(first,second):first.localeCompare(second);return state.sort==='za'?-result:result;});state.shown=0;grid.replaceChildren();var count=state.filtered.length,label=count===1?uiText('mineral','mineral'):uiText('minerals','minerals');setResultLabel(resultCount,count,label);setResultLabel(mobileResult,count,label);showCount.textContent=count;status.hidden=true;empty.hidden=count!==0;updateChips();if(count){appendNext();}finishBoot(false);}\n\t\t\t\tfunction reset(){form.querySelectorAll('input[type=\"checkbox\"]').forEach(function(input){input.checked=false;});search.value='';minInput.value='';maxInput.value='';setSort('az');apply();}\n\t\t\t\tform.addEventListener('submit',function(event){event.preventDefault();});form.addEventListener('reset',function(event){event.preventDefault();reset();});root.querySelector('[data-empty-reset]').addEventListener('click',reset);form.addEventListener('change',function(event){if(event.target.matches('input[type=\"checkbox\"]')){apply();}});sortButtons.forEach(function(button){button.addEventListener('click',function(){setSort(button.dataset.sortValue);apply();});});if(sortMenu){sortMenu.addEventListener('toggle',function(){if(sortMenu.open){root.querySelectorAll('.cmcf-filter-menu[open]').forEach(function(details){details.open=false;});}});}\n\t\t\t\tfunction delayedApply(){if(search.value.length>160){search.value=search.value.slice(0,160);}window.clearTimeout(state.timer);state.timer=window.setTimeout(apply,140);}search.addEventListener('input',delayedApply);minInput.addEventListener('input',delayedApply);maxInput.addEventListener('input',delayedApply);\n\t\t\t\tdocument.addEventListener('click',function(event){if(window.innerWidth>=1024&&!event.target.closest('.cmcf-filter-menu')&&!event.target.closest('.cmcf-sort-menu')){root.querySelectorAll('.cmcf-filter-menu[open],.cmcf-sort-menu[open]').forEach(function(details){details.open=false;});}});\n\t\t\t\tif('IntersectionObserver' in window){state.observer=new IntersectionObserver(function(entries){if(entries[0].isIntersecting&&!sentinel.hidden){appendNext();}},{rootMargin:'500px 0px'});state.observer.observe(sentinel);}else{window.addEventListener('scroll',function(){if(!sentinel.hidden&&sentinel.getBoundingClientRect().top<window.innerHeight+500){appendNext();}},{passive:true});}\n\n\t\t\t\tfunction load(){\n\t\t\t\t\tif(state.loading){return;}\n\t\t\t\t\tvar indexUrl=safeHttpUrl(root.dataset.indexUrl,true);\n\t\t\t\t\tif(!indexUrl){showLoadError();return;}\n\t\t\t\t\tstate.loading=true;status.hidden=false;status.textContent=uiText('loading','Loading mineral collection...');\n\t\t\t\t\tfetch(indexUrl,{credentials:'same-origin',cache:'no-cache'}).then(function(response){\n\t\t\t\t\t\tif(!response.ok){throw new Error('HTTP '+response.status);}\n\t\t\t\t\t\tvar size=Number(response.headers.get('content-length')||0);if(size>128*1024*1024){throw new Error('Index too large');}\n\t\t\t\t\t\treturn response.json();\n\t\t\t\t\t}).then(function(data){\n\t\t\t\t\t\tdata=data&&typeof data==='object'?data:{};state.loading=false;state.retries=0;state.items=Array.isArray(data.items)?data.items.filter(function(item){return item&&typeof item==='object'&&!Array.isArray(item);}):[];state.facetTranslations=data.facet_translations&&typeof data.facet_translations==='object'&&!Array.isArray(data.facet_translations)?data.facet_translations:{};state.ui=data.ui&&typeof data.ui==='object'&&!Array.isArray(data.ui)?data.ui:{};setSort(state.sort);buildFacets();apply();\n\t\t\t\t\t}).catch(function(){state.loading=false;if(state.retries<2){state.retries++;status.textContent=uiText('loading','Loading mineral collection...');window.clearTimeout(state.retryTimer);state.retryTimer=window.setTimeout(load,state.retries*1200);return;}showLoadError();});\n\t\t\t\t}\n\t\t\t\tfunction showLoadError(){status.hidden=false;status.replaceChildren();status.appendChild(document.createTextNode(uiText('load_error','The mineral collection could not be loaded.')+' '));var retry=element('button','cmcf-reset',uiText('retry','Try again'));retry.type='button';retry.addEventListener('click',function(){state.retries=0;beginBoot();load();},{once:true});status.appendChild(retry);resultCount.textContent=uiText('unavailable','Unavailable');mobileResult.textContent=uiText('unavailable','Unavailable');finishBoot(true);}\n\t\t\t\tload();\n\t\t\t}\n\n\t\t\tfunction initAll(){document.querySelectorAll('[data-cmcf-v2]').forEach(init);}\n\t\t\tif(document.readyState==='loading'){document.addEventListener('DOMContentLoaded',initAll,{once:true});}else{initAll();}\n\t\t})();\n\t\t<\/script>\n\t\t\t\t<section\n\t\t\tid=\"crystals-mineral-collection-v2-1\"\n\t\t\tclass=\"cmcf cmcf-v2 cmcf-booting\"\n\t\t\tdata-cmcf-v2\n\t\t\taria-busy=\"true\"\n\t\t\tdata-index-url=\"https:\/\/crystals.rocks\/wp-content\/uploads\/crystals-mineral-index\/minerals-live-it_it.json\"\n\t\t\tdata-language-home=\"https:\/\/crystals.rocks\/it\/\"\n\t\t\tdata-default-home=\"https:\/\/crystals.rocks\/\"\n\t\t\tdata-language-slugs=\"[&quot;en&quot;,&quot;zh&quot;,&quot;es&quot;,&quot;ru&quot;,&quot;de&quot;,&quot;fr&quot;,&quot;pt&quot;,&quot;ja&quot;,&quot;ko&quot;,&quot;ar&quot;,&quot;it&quot;,&quot;hi&quot;,&quot;id&quot;,&quot;th&quot;,&quot;tr&quot;,&quot;vi&quot;,&quot;pl&quot;,&quot;fa&quot;,&quot;ur&quot;,&quot;nl&quot;,&quot;el&quot;,&quot;sv&quot;,&quot;cs&quot;,&quot;bn&quot;,&quot;ro&quot;,&quot;hu&quot;,&quot;he&quot;,&quot;sw&quot;,&quot;fi&quot;,&quot;nb&quot;,&quot;sk&quot;]\"\n\t\t\tdata-batch=\"48\"\n\t\t\tlang=\"it-it\"\n\t\t\tdir=\"ltr\"\n\t\t>\n\t\t\t<div class=\"cmcf-boot-screen\" data-cmcf-boot-screen role=\"status\" aria-live=\"polite\">\n\t\t\t\t<div class=\"cmcf-boot-filter\" aria-hidden=\"true\"><\/div>\n\t\t\t\t<div class=\"cmcf-boot-cards\" aria-hidden=\"true\"><span class=\"cmcf-boot-card\"><\/span><span class=\"cmcf-boot-card\"><\/span><span class=\"cmcf-boot-card\"><\/span><span class=\"cmcf-boot-card\"><\/span><\/div>\n\t\t\t\t<p class=\"cmcf-boot-message\">Loading mineral collection...<\/p>\n\t\t\t<\/div>\n\t\t\t<div class=\"cmcf-seo-fallback\" data-cmcf-seo-fallback>\n\t\t\t<h2>Mineral records<\/h2>\n\t\t\t<div class=\"cmcf-seo-grid\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t<article class=\"cmcf-seo-card\">\n\t\t\t\t\t\t<a href=\"https:\/\/crystals.rocks\/it\/minerals\/bismutotantalite\/\">\n\t\t\t\t\t\t\t<img src=\"https:\/\/crystals.rocks\/wp-content\/uploads\/2026\/08\/bismutotantalite.jpg\" alt=\"bismutotantalite\" loading=\"lazy\" decoding=\"async\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t<h3>Bismutotantalite<\/h3>\n\t\t\t\t\t\t\t<p>La bismutotantalite \u00e8 un raro minerale ossido pesante di tantalio e bismuto, appartenente al gruppo della columbite-tantalite, che cristallizza nel sistema cristallino ortorombico. Caratterizzata da una gravit\u00e0 specifica eccezionalmente elevata (fino a 8.98\u20139.0 g\/cm\u00b3), lucentezza da sub-adamantina a resinosa e alti indici di rifrazione, si presenta come minerale accessorio tardivo in pegmatiti granitiche altamente frazionate, arricchite in litio-cesio-tantalio (LCT).<\/p>\t\t\t\t\t\t<\/a>\n\t\t\t\t\t<\/article>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t<article class=\"cmcf-seo-card\">\n\t\t\t\t\t\t<a href=\"https:\/\/crystals.rocks\/it\/minerals\/cattierite\/\">\n\t\t\t\t\t\t\t<img src=\"https:\/\/crystals.rocks\/wp-content\/uploads\/2026\/08\/cattierite.jpg\" alt=\"cattierite\" loading=\"lazy\" decoding=\"async\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t<h3>Cattierite<\/h3>\n\t\t\t\t\t\t\t<p>Cattierite \u00e8 un raro minerale di solfuro di cobalto con formula chimica CoS\u2082, appartenente al gruppo della pirite. Scoperto per la prima volta nei ricchi giacimenti stratiformi di rame-cobalto della Copperbelt del Katanga nella Repubblica Democratica del Congo, si presenta tipicamente come cristalli microscopici metallici di colore grigio-rosato a grigio scuro, cubi e aggregati granulari associati ad altri solfuri di metalli di base.<\/p>\t\t\t\t\t\t<\/a>\n\t\t\t\t\t<\/article>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t<article class=\"cmcf-seo-card\">\n\t\t\t\t\t\t<a href=\"https:\/\/crystals.rocks\/it\/minerals\/delhayelite\/\">\n\t\t\t\t\t\t\t<img src=\"https:\/\/crystals.rocks\/wp-content\/uploads\/2026\/08\/delhayelite.jpg\" alt=\"delhayelite\" loading=\"lazy\" decoding=\"async\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t<h3>Delhayelite<\/h3>\n\t\t\t\t\t\t\t<p>La delhayelite \u00e8 un raro fillosilicato idrato di potassio-calcio-sodio, strutturalmente complesso, contenente alogeni volatili essenziali e anioni solfato (Cl, F e SO\u2084\u00b2\u207b). Scoperta inizialmente nelle lave nefelinitiche peralcaline sottosature in silice del Monte Shaheru nella Repubblica Democratica del Congo, cristallizza nel sistema cristallino ortorombico e funge da importante minerale indicatore per i volatili delle fasi tardive...<\/p>\t\t\t\t\t\t<\/a>\n\t\t\t\t\t<\/article>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t<article class=\"cmcf-seo-card\">\n\t\t\t\t\t\t<a href=\"https:\/\/crystals.rocks\/it\/minerals\/edscottite\/\">\n\t\t\t\t\t\t\t<img src=\"https:\/\/crystals.rocks\/wp-content\/uploads\/2026\/09\/edscottite.jpg\" alt=\"Edscottite\" loading=\"lazy\" decoding=\"async\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t<h3>Edscottite<\/h3>\n\t\t\t\t\t\t\t<p>L&#039;edscottite \u00e8 un minerale ultra-raro di carburo di ferro (Fe5C2) scoperto all&#039;interno della meteorite di ferro Wedderburn, formatosi come fase durante il lento raffreddamento del nucleo di un antico planetesimo.<\/p>\t\t\t\t\t\t<\/a>\n\t\t\t\t\t<\/article>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t<article class=\"cmcf-seo-card\">\n\t\t\t\t\t\t<a href=\"https:\/\/crystals.rocks\/it\/minerals\/ferropericlase\/\">\n\t\t\t\t\t\t\t<img src=\"https:\/\/crystals.rocks\/wp-content\/uploads\/2026\/08\/ferropericlase.jpg\" alt=\"ferropericlasio\" loading=\"lazy\" decoding=\"async\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t<h3>Ferropericlase<\/h3>\n\t\t\t\t\t\t\t<p>La ferropericlase (o magnesiow\u00fcstite) \u00e8 una variet\u00e0 o specie di periclase contenente ferro, rappresentata dalla formula chimica (Mg,Fe)O. \u00c8 interpretata come uno dei componenti minerali primari del mantello inferiore della Terra insieme alla perovskite di silicato, presente frequentemente come micro-inclusioni nei diamanti del mantello profondo.<\/p>\t\t\t\t\t\t<\/a>\n\t\t\t\t\t<\/article>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t<article class=\"cmcf-seo-card\">\n\t\t\t\t\t\t<a href=\"https:\/\/crystals.rocks\/it\/minerals\/forsterite\/\">\n\t\t\t\t\t\t\t<img src=\"https:\/\/crystals.rocks\/wp-content\/uploads\/2026\/08\/Forsterite-768x510.jpg\" alt=\"Forsterite\" loading=\"lazy\" decoding=\"async\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t<h3>Forsterite<\/h3>\n\t\t\t\t\t\t\t<p>La forsterite \u00e8 il termine estremo ricco di magnesio della serie di soluzione solida dell&#039;olivina (Mg\u2082SiO\u2084 - Fe\u2082SiO\u2084), che cristallizza nel sistema cristallino ortorombico. Come minerale ortosilicato (nesosilicato) essenziale nella formazione delle rocce, costituisce la fase volumetricamente dominante del mantello superiore terrestre (peridotite\/dunite) ed \u00e8 diffusa nelle rocce ignee ultramafiche, nei calcari dolomitici metamorfosati per contatto e nelle meteoriti condritiche primitive. Variet\u00e0 intermedie di qualit\u00e0 gemmologica ricche di...<\/p>\t\t\t\t\t\t<\/a>\n\t\t\t\t\t<\/article>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t<article class=\"cmcf-seo-card\">\n\t\t\t\t\t\t<a href=\"https:\/\/crystals.rocks\/it\/minerals\/galena\/\">\n\t\t\t\t\t\t\t<img src=\"https:\/\/crystals.rocks\/wp-content\/uploads\/2026\/08\/Galena-768x512.jpg\" alt=\"Galena\" loading=\"lazy\" decoding=\"async\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t<h3>Galena<\/h3>\n\t\t\t\t\t\t\t<p>La galena \u00e8 la principale forma minerale naturale del solfuro di piombo(II) (PbS), che cristallizza nel sistema cristallino isometrico con una struttura cristallina tipo salgemma (alite). Come il minerale di piombo pi\u00f9 critico e abbondante al mondo\u2014e una delle principali fonti storiche di argento come sottoprodotto\u2014la galena \u00e8 celebre per la sua elevata densit\u00e0 relativa (~7,6), lucentezza metallica splendente, striscia grigio-piombo e perfetta cubica...<\/p>\t\t\t\t\t\t<\/a>\n\t\t\t\t\t<\/article>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t<article class=\"cmcf-seo-card\">\n\t\t\t\t\t\t<a href=\"https:\/\/crystals.rocks\/it\/minerals\/gerstleyite\/\">\n\t\t\t\t\t\t\t<img src=\"https:\/\/crystals.rocks\/wp-content\/uploads\/2026\/09\/gerstleyite-768x767.jpg\" alt=\"gerstleyite (2)\" loading=\"lazy\" decoding=\"async\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t<h3>Gerstleyite<\/h3>\n\t\t\t\t\t\t\t<p>La gerstleyite \u00e8 un minerale solfosale idrato di sodio, antimonio e arsenico estremamente raro, noto come uno dei primi solfosali contenenti alcali scoperti. Si presenta tipicamente sotto forma di aggregati fibrosi o lamellari di colore rosso cinabro fino a rosso scuro nei depositi lacustri di borati.<\/p>\t\t\t\t\t\t<\/a>\n\t\t\t\t\t<\/article>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t<article class=\"cmcf-seo-card\">\n\t\t\t\t\t\t<a href=\"https:\/\/crystals.rocks\/it\/minerals\/geversite\/\">\n\t\t\t\t\t\t\t<img src=\"https:\/\/crystals.rocks\/wp-content\/uploads\/2026\/08\/geversite.jpg\" alt=\"geversite\" loading=\"lazy\" decoding=\"async\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t<h3>Geversite<\/h3>\n\t\t\t\t\t\t\t<p>La geversite \u00e8 un raro minerale del gruppo del platino (PGM) con composizione chimica PtSb\u2082, che cristallizza nel tipo strutturale isometrico della pirite. Descritta per la prima volta dalla miniera di Driekop nel Complesso Igneo del Bushveld, in Sudafrica, forma grani metallici microscopici, cubi euhedrali e complesse intercrescite tipicamente ospitati in rocce ultramafiche, cromititi e depositi di solfuri magmatici.<\/p>\t\t\t\t\t\t<\/a>\n\t\t\t\t\t<\/article>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t<article class=\"cmcf-seo-card\">\n\t\t\t\t\t\t<a href=\"https:\/\/crystals.rocks\/it\/minerals\/halite\/\">\n\t\t\t\t\t\t\t<img src=\"https:\/\/crystals.rocks\/wp-content\/uploads\/2026\/08\/Halite-768x768.png\" alt=\"Alogite\" loading=\"lazy\" decoding=\"async\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t<h3>Alogite<\/h3>\n\t\t\t\t\t\t\t<p>L&#039;halite \u00e8 la forma minerale del cloruro di sodio (NaCl), comunemente nota come salgemma. Forma cristalli isometrici nei depositi evaporitici ed \u00e8 essenziale per la vita umana, l&#039;industria e la produzione chimica.<\/p>\t\t\t\t\t\t<\/a>\n\t\t\t\t\t<\/article>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t<article class=\"cmcf-seo-card\">\n\t\t\t\t\t\t<a href=\"https:\/\/crystals.rocks\/it\/minerals\/kernowite\/\">\n\t\t\t\t\t\t\t<img src=\"https:\/\/crystals.rocks\/wp-content\/uploads\/2026\/09\/imgi_115_kernowite.png\" alt=\"Kernowite\" loading=\"lazy\" decoding=\"async\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t<h3>Kernowite<\/h3>\n\t\t\t\t\t\t\t<p>Il kernowite \u00e8 un raro minerale idrato di arseniato di rame e ferro, scoperto a St Day, in Cornovaglia, Regno Unito. \u00c8 l&#039;anologo dominante del ferro rispetto al liroconite. Conosciuto per i suoi cristalli distintivi di colore verde smeraldo, cristallizza nel sistema monoclino e si forma tipicamente come cristalli tabulari a forma di cuneo nelle zone ossidate dei giacimenti di rame.<\/p>\t\t\t\t\t\t<\/a>\n\t\t\t\t\t<\/article>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t<article class=\"cmcf-seo-card\">\n\t\t\t\t\t\t<a href=\"https:\/\/crystals.rocks\/it\/minerals\/krotite\/\">\n\t\t\t\t\t\t\t<img src=\"https:\/\/crystals.rocks\/wp-content\/uploads\/2026\/09\/krotite-768x549.png\" alt=\"sottomettete\" loading=\"lazy\" decoding=\"async\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t<h3>Domate<\/h3>\n\t\t\t\t\t\t\t<p>Il krotite \u00e8 un minerale di ossido di alluminato di calcio (CaAl\u2082O\u2084) a bassa pressione e alta temperatura, scoperto all&#039;interno di inclusioni refrattarie in meteoriti condritiche primitive, che rappresenta uno dei primi materiali solidi formatisi nella nebulosa solare.<\/p>\t\t\t\t\t\t<\/a>\n\t\t\t\t\t<\/article>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t<article class=\"cmcf-seo-card\">\n\t\t\t\t\t\t<a href=\"https:\/\/crystals.rocks\/it\/minerals\/manandonite\/\">\n\t\t\t\t\t\t\t<img src=\"https:\/\/crystals.rocks\/wp-content\/uploads\/2026\/08\/manandonite-768x596.jpg\" alt=\"Manandonite\" loading=\"lazy\" decoding=\"async\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t<h3>Manandonite<\/h3>\n\t\t\t\t\t\t\t<p>La manandonite \u00e8 una specie minerale fillosilicatica triottaedrica-diottaedrica estremamente rara, contenente litio e boro, appartenente strutturalmente al gruppo 1:1 serpentino-caolinite. Documentata per la prima volta nei pegmatiti granitici altamente frazionati del Madagascar, \u00e8 unica in mineralogia come uno dei pochi fillosilicati che incorpora boro strutturale essenziale negli strati tetraedrici insieme a litio ottaedrico essenziale e...<\/p>\t\t\t\t\t\t<\/a>\n\t\t\t\t\t<\/article>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t<article class=\"cmcf-seo-card\">\n\t\t\t\t\t\t<a href=\"https:\/\/crystals.rocks\/it\/minerals\/naldrettite\/\">\n\t\t\t\t\t\t\t<img src=\"https:\/\/crystals.rocks\/wp-content\/uploads\/2026\/09\/naldrettite-768x512.jpg\" alt=\"Naldrettite\" loading=\"lazy\" decoding=\"async\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t<h3>Naldrettite<\/h3>\n\t\t\t\t\t\t\t<p>La naldrettite \u00e8 un raro minerale antimonuro di palladio (Pd2Sb) scoperto nel distretto minerario di Sudbury, che si forma in condizioni idrotermali magmatiche tardive all&#039;interno di giacimenti solfuri di nichel-rame.<\/p>\t\t\t\t\t\t<\/a>\n\t\t\t\t\t<\/article>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t<article class=\"cmcf-seo-card\">\n\t\t\t\t\t\t<a href=\"https:\/\/crystals.rocks\/it\/minerals\/pseudorutile\/\">\n\t\t\t\t\t\t\t<img src=\"https:\/\/crystals.rocks\/wp-content\/uploads\/2026\/08\/Pseudorutile-2.gif\" alt=\"Pseudorutile\" loading=\"lazy\" decoding=\"async\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t<h3>Pseudorutile<\/h3>\n\t\t\t\t\t\t\t<p>Lo pseudorutile \u00e8 un minerale intermedio di ossido di titanio-ferro formato principalmente durante l&#039;alterazione a bassa temperatura e la lisciviazione progressiva dell&#039;ilmenite nei depositi di sabbie minerali pesanti. Strutturalmente e chimicamente distinto da rutilo e ilmenite, svolge un ruolo vitale di transizione nella sequenza di alterazione supergenica da ilmenite a leucoxene e rutilo\/anatase secondari, rendendolo una fase essenziale in...<\/p>\t\t\t\t\t\t<\/a>\n\t\t\t\t\t<\/article>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t<article class=\"cmcf-seo-card\">\n\t\t\t\t\t\t<a href=\"https:\/\/crystals.rocks\/it\/minerals\/quartz\/\">\n\t\t\t\t\t\t\t<img src=\"https:\/\/crystals.rocks\/wp-content\/uploads\/2026\/08\/Quartz-768x575.jpg\" alt=\"Quarzo\" loading=\"lazy\" decoding=\"async\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t<h3>Quarzo<\/h3>\n\t\t\t\t\t\t\t<p>Il quarzo \u00e8 il polimorfo trigonale definitivo a bassa temperatura del biossido di silicio (SiO\u2082), stabile fino a 573 \u00b0C a pressioni ambiente. Come riferimento definitorio per la durezza 7 della scala di Mohs e uno dei tectosilicati a reticolo pi\u00f9 abbondanti nella crosta continentale terrestre, il quarzo \u00e8 rinomato per la sua forte piezoelettricit\u00e0, durabilit\u00e0 chimica, assenza di sfaldatura e ampia suite...<\/p>\t\t\t\t\t\t<\/a>\n\t\t\t\t\t<\/article>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t<article class=\"cmcf-seo-card\">\n\t\t\t\t\t\t<a href=\"https:\/\/crystals.rocks\/it\/minerals\/ruby\/\">\n\t\t\t\t\t\t\t<img src=\"https:\/\/crystals.rocks\/wp-content\/uploads\/2026\/08\/imgi_212_Cut_Ruby_Image-768x395.jpg\" alt=\"Rubino\" loading=\"lazy\" decoding=\"async\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t<h3>Rubino<\/h3>\n\t\t\t\t\t\t\t<p>Il rubino \u00e8 la prestigiosa variet\u00e0 rossa, di qualit\u00e0 gemma, della specie minerale corindone (ossido di alluminio, Al\u2082O\u2083), colorato prevalentemente da tracce di cromo (Cr\u00b3\u207a che sostituisce Al\u00b3\u207a in coordinazione ottaedrica). Rinomato come una delle tradizionali gemme cardinali, presenta eccezionale durezza Mohs (9), elevati indici di rifrazione, spiccato pleocroismo e vivida fluorescenza rossa indotta dal cromo sotto UV a onda lunga...<\/p>\t\t\t\t\t\t<\/a>\n\t\t\t\t\t<\/article>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t<article class=\"cmcf-seo-card\">\n\t\t\t\t\t\t<a href=\"https:\/\/crystals.rocks\/it\/minerals\/sicherite\/\">\n\t\t\t\t\t\t\t<img src=\"https:\/\/crystals.rocks\/wp-content\/uploads\/2026\/09\/sicherite-3-768x606.jpg\" alt=\"Assicurati\" loading=\"lazy\" decoding=\"async\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t<h3>Assicurati<\/h3>\n\t\t\t\t\t\t\t<p>Sicherite \u00e8 un minerale raro di solfuro di arseniuro di tallio appartenente al sistema cristallino ortorombico, scoperto per la prima volta nelle cavit\u00e0 dei dolomiti triassici della famosa cava di Lengenbach, Svizzera.<\/p>\t\t\t\t\t\t<\/a>\n\t\t\t\t\t<\/article>\n\t\t\t\t\t\t\t<\/div>\n\t\t<\/div><script type=\"application\/ld+json\">{\"@context\":\"https:\/\/schema.org\",\"@type\":\"ItemList\",\"name\":\"Mineral records\",\"numberOfItems\":18,\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Bismutotantalite\",\"url\":\"https:\/\/crystals.rocks\/it\/minerals\/bismutotantalite\/\",\"description\":\"La bismutotantalite \u00e8 un raro minerale ossido pesante di tantalio e bismuto, appartenente al gruppo della columbite-tantalite, che cristallizza nel sistema cristallino ortorombico. Caratterizzata da una gravit\u00e0 specifica eccezionalmente elevata (fino a 8.98\u20139.0 g\/cm\u00b3), lucentezza da sub-adamantina a resinosa e alti indici di rifrazione, si presenta come minerale accessorio tardivo in pegmatiti granitiche altamente frazionate, arricchite in litio-cesio-tantalio (LCT).\",\"image\":\"https:\/\/crystals.rocks\/wp-content\/uploads\/2026\/08\/bismutotantalite.jpg\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Cattierite\",\"url\":\"https:\/\/crystals.rocks\/it\/minerals\/cattierite\/\",\"description\":\"Cattierite \u00e8 un raro minerale di solfuro di cobalto con formula chimica CoS\u2082, appartenente al gruppo della pirite. Scoperto per la prima volta nei ricchi giacimenti stratiformi di rame-cobalto della Copperbelt del Katanga nella Repubblica Democratica del Congo, si presenta tipicamente come cristalli microscopici metallici di colore grigio-rosato a grigio scuro, cubi e aggregati granulari associati ad altri solfuri di metalli di base.\",\"image\":\"https:\/\/crystals.rocks\/wp-content\/uploads\/2026\/08\/cattierite.jpg\"},{\"@type\":\"ListItem\",\"position\":3,\"name\":\"Delhayelite\",\"url\":\"https:\/\/crystals.rocks\/it\/minerals\/delhayelite\/\",\"description\":\"La delhayelite \u00e8 un raro fillosilicato idrato di potassio-calcio-sodio, strutturalmente complesso, contenente alogeni volatili essenziali e anioni solfato (Cl, F e SO\u2084\u00b2\u207b). Scoperta inizialmente nelle lave nefelinitiche peralcaline sottosature in silice del Monte Shaheru nella Repubblica Democratica del Congo, cristallizza nel sistema cristallino ortorombico e funge da importante minerale indicatore per i volatili delle fasi tardive...\",\"image\":\"https:\/\/crystals.rocks\/wp-content\/uploads\/2026\/08\/delhayelite.jpg\"},{\"@type\":\"ListItem\",\"position\":4,\"name\":\"Edscottite\",\"url\":\"https:\/\/crystals.rocks\/it\/minerals\/edscottite\/\",\"description\":\"L\\u0027edscottite \u00e8 un minerale ultra-raro di carburo di ferro (Fe5C2) scoperto all\\u0027interno della meteorite di ferro Wedderburn, formatosi come fase durante il lento raffreddamento del nucleo di un antico planetesimo.\",\"image\":\"https:\/\/crystals.rocks\/wp-content\/uploads\/2026\/09\/edscottite.jpg\"},{\"@type\":\"ListItem\",\"position\":5,\"name\":\"Ferropericlase\",\"url\":\"https:\/\/crystals.rocks\/it\/minerals\/ferropericlase\/\",\"description\":\"La ferropericlase (o magnesiow\u00fcstite) \u00e8 una variet\u00e0 o specie di periclase contenente ferro, rappresentata dalla formula chimica (Mg,Fe)O. \u00c8 interpretata come uno dei componenti minerali primari del mantello inferiore della Terra insieme alla perovskite di silicato, presente frequentemente come micro-inclusioni nei diamanti del mantello profondo.\",\"image\":\"https:\/\/crystals.rocks\/wp-content\/uploads\/2026\/08\/ferropericlase.jpg\"},{\"@type\":\"ListItem\",\"position\":6,\"name\":\"Forsterite\",\"url\":\"https:\/\/crystals.rocks\/it\/minerals\/forsterite\/\",\"description\":\"La forsterite \u00e8 il termine estremo ricco di magnesio della serie di soluzione solida dell\\u0027olivina (Mg\u2082SiO\u2084 - Fe\u2082SiO\u2084), che cristallizza nel sistema cristallino ortorombico. Come minerale ortosilicato (nesosilicato) essenziale nella formazione delle rocce, costituisce la fase volumetricamente dominante del mantello superiore terrestre (peridotite\/dunite) ed \u00e8 diffusa nelle rocce ignee ultramafiche, nei calcari dolomitici metamorfosati per contatto e nelle meteoriti condritiche primitive. Variet\u00e0 intermedie di qualit\u00e0 gemmologica ricche di...\",\"image\":\"https:\/\/crystals.rocks\/wp-content\/uploads\/2026\/08\/Forsterite-768x510.jpg\"},{\"@type\":\"ListItem\",\"position\":7,\"name\":\"Galena\",\"url\":\"https:\/\/crystals.rocks\/it\/minerals\/galena\/\",\"description\":\"La galena \u00e8 la principale forma minerale naturale del solfuro di piombo(II) (PbS), che cristallizza nel sistema cristallino isometrico con una struttura cristallina tipo salgemma (alite). Come il minerale di piombo pi\u00f9 critico e abbondante al mondo\u2014e una delle principali fonti storiche di argento come sottoprodotto\u2014la galena \u00e8 celebre per la sua elevata densit\u00e0 relativa (~7,6), lucentezza metallica splendente, striscia grigio-piombo e perfetta cubica...\",\"image\":\"https:\/\/crystals.rocks\/wp-content\/uploads\/2026\/08\/Galena-768x512.jpg\"},{\"@type\":\"ListItem\",\"position\":8,\"name\":\"Gerstleyite\",\"url\":\"https:\/\/crystals.rocks\/it\/minerals\/gerstleyite\/\",\"description\":\"La gerstleyite \u00e8 un minerale solfosale idrato di sodio, antimonio e arsenico estremamente raro, noto come uno dei primi solfosali contenenti alcali scoperti. Si presenta tipicamente sotto forma di aggregati fibrosi o lamellari di colore rosso cinabro fino a rosso scuro nei depositi lacustri di borati.\",\"image\":\"https:\/\/crystals.rocks\/wp-content\/uploads\/2026\/09\/gerstleyite-768x767.jpg\"},{\"@type\":\"ListItem\",\"position\":9,\"name\":\"Geversite\",\"url\":\"https:\/\/crystals.rocks\/it\/minerals\/geversite\/\",\"description\":\"La geversite \u00e8 un raro minerale del gruppo del platino (PGM) con composizione chimica PtSb\u2082, che cristallizza nel tipo strutturale isometrico della pirite. Descritta per la prima volta dalla miniera di Driekop nel Complesso Igneo del Bushveld, in Sudafrica, forma grani metallici microscopici, cubi euhedrali e complesse intercrescite tipicamente ospitati in rocce ultramafiche, cromititi e depositi di solfuri magmatici.\",\"image\":\"https:\/\/crystals.rocks\/wp-content\/uploads\/2026\/08\/geversite.jpg\"},{\"@type\":\"ListItem\",\"position\":10,\"name\":\"Alogite\",\"url\":\"https:\/\/crystals.rocks\/it\/minerals\/halite\/\",\"description\":\"L\\u0027halite \u00e8 la forma minerale del cloruro di sodio (NaCl), comunemente nota come salgemma. Forma cristalli isometrici nei depositi evaporitici ed \u00e8 essenziale per la vita umana, l\\u0027industria e la produzione chimica.\",\"image\":\"https:\/\/crystals.rocks\/wp-content\/uploads\/2026\/08\/Halite-768x768.png\"},{\"@type\":\"ListItem\",\"position\":11,\"name\":\"Kernowite\",\"url\":\"https:\/\/crystals.rocks\/it\/minerals\/kernowite\/\",\"description\":\"Il kernowite \u00e8 un raro minerale idrato di arseniato di rame e ferro, scoperto a St Day, in Cornovaglia, Regno Unito. \u00c8 l\\u0027anologo dominante del ferro rispetto al liroconite. Conosciuto per i suoi cristalli distintivi di colore verde smeraldo, cristallizza nel sistema monoclino e si forma tipicamente come cristalli tabulari a forma di cuneo nelle zone ossidate dei giacimenti di rame.\",\"image\":\"https:\/\/crystals.rocks\/wp-content\/uploads\/2026\/09\/imgi_115_kernowite.png\"},{\"@type\":\"ListItem\",\"position\":12,\"name\":\"Domate\",\"url\":\"https:\/\/crystals.rocks\/it\/minerals\/krotite\/\",\"description\":\"Il krotite \u00e8 un minerale di ossido di alluminato di calcio (CaAl\u2082O\u2084) a bassa pressione e alta temperatura, scoperto all\\u0027interno di inclusioni refrattarie in meteoriti condritiche primitive, che rappresenta uno dei primi materiali solidi formatisi nella nebulosa solare.\",\"image\":\"https:\/\/crystals.rocks\/wp-content\/uploads\/2026\/09\/krotite-768x549.png\"},{\"@type\":\"ListItem\",\"position\":13,\"name\":\"Manandonite\",\"url\":\"https:\/\/crystals.rocks\/it\/minerals\/manandonite\/\",\"description\":\"La manandonite \u00e8 una specie minerale fillosilicatica triottaedrica-diottaedrica estremamente rara, contenente litio e boro, appartenente strutturalmente al gruppo 1:1 serpentino-caolinite. Documentata per la prima volta nei pegmatiti granitici altamente frazionati del Madagascar, \u00e8 unica in mineralogia come uno dei pochi fillosilicati che incorpora boro strutturale essenziale negli strati tetraedrici insieme a litio ottaedrico essenziale e...\",\"image\":\"https:\/\/crystals.rocks\/wp-content\/uploads\/2026\/08\/manandonite-768x596.jpg\"},{\"@type\":\"ListItem\",\"position\":14,\"name\":\"Naldrettite\",\"url\":\"https:\/\/crystals.rocks\/it\/minerals\/naldrettite\/\",\"description\":\"La naldrettite \u00e8 un raro minerale antimonuro di palladio (Pd2Sb) scoperto nel distretto minerario di Sudbury, che si forma in condizioni idrotermali magmatiche tardive all\\u0027interno di giacimenti solfuri di nichel-rame.\",\"image\":\"https:\/\/crystals.rocks\/wp-content\/uploads\/2026\/09\/naldrettite-768x512.jpg\"},{\"@type\":\"ListItem\",\"position\":15,\"name\":\"Pseudorutile\",\"url\":\"https:\/\/crystals.rocks\/it\/minerals\/pseudorutile\/\",\"description\":\"Lo pseudorutile \u00e8 un minerale intermedio di ossido di titanio-ferro formato principalmente durante l\\u0027alterazione a bassa temperatura e la lisciviazione progressiva dell\\u0027ilmenite nei depositi di sabbie minerali pesanti. Strutturalmente e chimicamente distinto da rutilo e ilmenite, svolge un ruolo vitale di transizione nella sequenza di alterazione supergenica da ilmenite a leucoxene e rutilo\/anatase secondari, rendendolo una fase essenziale in...\",\"image\":\"https:\/\/crystals.rocks\/wp-content\/uploads\/2026\/08\/Pseudorutile-2.gif\"},{\"@type\":\"ListItem\",\"position\":16,\"name\":\"Quarzo\",\"url\":\"https:\/\/crystals.rocks\/it\/minerals\/quartz\/\",\"description\":\"Il quarzo \u00e8 il polimorfo trigonale definitivo a bassa temperatura del biossido di silicio (SiO\u2082), stabile fino a 573 \u00b0C a pressioni ambiente. Come riferimento definitorio per la durezza 7 della scala di Mohs e uno dei tectosilicati a reticolo pi\u00f9 abbondanti nella crosta continentale terrestre, il quarzo \u00e8 rinomato per la sua forte piezoelettricit\u00e0, durabilit\u00e0 chimica, assenza di sfaldatura e ampia suite...\",\"image\":\"https:\/\/crystals.rocks\/wp-content\/uploads\/2026\/08\/Quartz-768x575.jpg\"},{\"@type\":\"ListItem\",\"position\":17,\"name\":\"Rubino\",\"url\":\"https:\/\/crystals.rocks\/it\/minerals\/ruby\/\",\"description\":\"Il rubino \u00e8 la prestigiosa variet\u00e0 rossa, di qualit\u00e0 gemma, della specie minerale corindone (ossido di alluminio, Al\u2082O\u2083), colorato prevalentemente da tracce di cromo (Cr\u00b3\u207a che sostituisce Al\u00b3\u207a in coordinazione ottaedrica). Rinomato come una delle tradizionali gemme cardinali, presenta eccezionale durezza Mohs (9), elevati indici di rifrazione, spiccato pleocroismo e vivida fluorescenza rossa indotta dal cromo sotto UV a onda lunga...\",\"image\":\"https:\/\/crystals.rocks\/wp-content\/uploads\/2026\/08\/imgi_212_Cut_Ruby_Image-768x395.jpg\"},{\"@type\":\"ListItem\",\"position\":18,\"name\":\"Assicurati\",\"url\":\"https:\/\/crystals.rocks\/it\/minerals\/sicherite\/\",\"description\":\"Sicherite \u00e8 un minerale raro di solfuro di arseniuro di tallio appartenente al sistema cristallino ortorombico, scoperto per la prima volta nelle cavit\u00e0 dei dolomiti triassici della famosa cava di Lengenbach, Svizzera.\",\"image\":\"https:\/\/crystals.rocks\/wp-content\/uploads\/2026\/09\/sicherite-3-768x606.jpg\"}]}<\/script>\t\t\t<div class=\"cmcf-mobile-bar\">\n\t\t\t\t<div class=\"cmcf-mobile-bar-inner\">\n\t\t\t\t\t<button class=\"cmcf-open\" type=\"button\" aria-expanded=\"false\" 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class=\"cmcf-active\" data-active-filters hidden><\/div>\n\t\t\t\t<div class=\"cmcf-status\" data-status>Loading mineral collection...<\/div>\n\t\t\t\t<div class=\"cmcf-grid\" data-grid><\/div>\n\t\t\t\t<div class=\"cmcf-empty\" data-empty hidden>\n\t\t\t\t\t<h3>No minerals found<\/h3>\n\t\t\t\t\t<p>Try removing a filter or using a broader search.<\/p>\n\t\t\t\t\t<button type=\"button\" data-empty-reset>Clear filters<\/button>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"cmcf-sentinel\" data-sentinel aria-hidden=\"true\"><\/div>\n\t\t\t<\/div>\n\t\t<\/section>\n\t\t<noscript><nav class=\"cmcf-crawl-links\" aria-label=\"Mineral records\">\n\t\t\t<h2>Mineral records<\/h2>\n\t\t\t<ul>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t<li>\n\t\t\t\t\t\t<a href=\"https:\/\/crystals.rocks\/it\/minerals\/sicherite\/\">\n\t\t\t\t\t\t\t<img src=\"https:\/\/crystals.rocks\/wp-content\/uploads\/2026\/09\/sicherite-3-768x606.jpg\" alt=\"Sicherite\" loading=\"lazy\" decoding=\"async\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t<strong>Sicherite<\/strong>\n\t\t\t\t\t\t\t<span>Sicherite is an exceedingly rare thallium arsenic sulfosalt mineral belonging to the orthorhombic crystal system, first discovered in the cavities of Triassic dolomites at the famed Lengenbach Quarry, Switzerland.<\/span>\t\t\t\t\t\t<\/a>\n\t\t\t\t\t<\/li>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t<li>\n\t\t\t\t\t\t<a href=\"https:\/\/crystals.rocks\/it\/minerals\/gerstleyite\/\">\n\t\t\t\t\t\t\t<img src=\"https:\/\/crystals.rocks\/wp-content\/uploads\/2026\/09\/gerstleyite-2-768x767.jpg\" alt=\"gerstleyite (2)\" loading=\"lazy\" decoding=\"async\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t<strong>Gerstleyite<\/strong>\n\t\t\t\t\t\t\t<span>Gerstleyite is an extremely rare hydrated sodium antimony arsenic sulfosalt mineral, notable as one of the first discovered alkali-bearing sulfosalts. It typically occurs as cinnabar-red to blackish-red fibrous or platy aggregates in lacustrine borate deposits.<\/span>\t\t\t\t\t\t<\/a>\n\t\t\t\t\t<\/li>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t<li>\n\t\t\t\t\t\t<a href=\"https:\/\/crystals.rocks\/it\/minerals\/edscottite\/\">\n\t\t\t\t\t\t\t<img src=\"https:\/\/crystals.rocks\/wp-content\/uploads\/2026\/09\/edscottite.jpg\" alt=\"Edscottite\" loading=\"lazy\" decoding=\"async\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t<strong>Edscottite<\/strong>\n\t\t\t\t\t\t\t<span>Edscottite is an ultra-rare iron carbide mineral (Fe5C2) discovered inside the Wedderburn iron meteorite, formed as a phase during the slow cooling of an ancient planetesimal core.<\/span>\t\t\t\t\t\t<\/a>\n\t\t\t\t\t<\/li>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t<li>\n\t\t\t\t\t\t<a href=\"https:\/\/crystals.rocks\/it\/minerals\/naldrettite\/\">\n\t\t\t\t\t\t\t<img src=\"https:\/\/crystals.rocks\/wp-content\/uploads\/2026\/09\/naldrettite-768x512.jpg\" alt=\"Naldrettite\" loading=\"lazy\" decoding=\"async\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t<strong>Naldrettite<\/strong>\n\t\t\t\t\t\t\t<span>Naldrettite is a rare palladium antimonide mineral (Pd2Sb) discovered in the Sudbury mining district, forming under late-magmatic hydrothermal conditions within nickel-copper sulfide deposits.<\/span>\t\t\t\t\t\t<\/a>\n\t\t\t\t\t<\/li>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t<li>\n\t\t\t\t\t\t<a href=\"https:\/\/crystals.rocks\/it\/minerals\/krotite\/\">\n\t\t\t\t\t\t\t<img src=\"https:\/\/crystals.rocks\/wp-content\/uploads\/2026\/09\/krotite-768x549.png\" alt=\"krotite\" loading=\"lazy\" decoding=\"async\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t<strong>Krotite<\/strong>\n\t\t\t\t\t\t\t<span>Krotite is a low-pressure, high-temperature calcium aluminate oxide mineral (CaAl\u2082O\u2084) discovered within refractory inclusions of primitive chondritic meteorites, serving as one of the earliest solid materials formed in the solar nebula.<\/span>\t\t\t\t\t\t<\/a>\n\t\t\t\t\t<\/li>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t<li>\n\t\t\t\t\t\t<a href=\"https:\/\/crystals.rocks\/it\/minerals\/kernowite\/\">\n\t\t\t\t\t\t\t<img src=\"https:\/\/crystals.rocks\/wp-content\/uploads\/2026\/09\/imgi_115_kernowite.png\" alt=\"Kernowite\" loading=\"lazy\" decoding=\"async\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t<strong>Kernowite<\/strong>\n\t\t\t\t\t\t\t<span>Kernowite is a rare copper iron arsenate hydrate mineral discovered in St Day, Cornwall, UK. It is the iron-dominant analogue of liroconite. Known for its distinct emerald-green crystals, it crystallizes in the monoclinic system and typically forms as tabular to wedge-shaped crystals in oxidized copper deposit zones.<\/span>\t\t\t\t\t\t<\/a>\n\t\t\t\t\t<\/li>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t<li>\n\t\t\t\t\t\t<a href=\"https:\/\/crystals.rocks\/it\/minerals\/ferropericlase\/\">\n\t\t\t\t\t\t\t<img src=\"https:\/\/crystals.rocks\/wp-content\/uploads\/2026\/08\/ferropericlase.jpg\" alt=\"ferropericlase\" loading=\"lazy\" decoding=\"async\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t<strong>Ferropericlase<\/strong>\n\t\t\t\t\t\t\t<span>Ferropericlase (or magnesiow\u00fcstite) is an iron-bearing variety or species of periclase, represented by the chemical formula (Mg,Fe)O. It is interpreted as one of the primary mineral components of the Earth&#039;s lower mantle alongside silicate perovskite, frequently occurring as micro-inclusions in deep mantle diamonds.<\/span>\t\t\t\t\t\t<\/a>\n\t\t\t\t\t<\/li>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t<li>\n\t\t\t\t\t\t<a href=\"https:\/\/crystals.rocks\/it\/minerals\/geversite\/\">\n\t\t\t\t\t\t\t<img src=\"https:\/\/crystals.rocks\/wp-content\/uploads\/2026\/08\/geversite.jpg\" alt=\"geversite\" loading=\"lazy\" decoding=\"async\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t<strong>Geversite<\/strong>\n\t\t\t\t\t\t\t<span>Geversite is a rare platinum-group mineral (PGM) with the chemical composition PtSb\u2082, crystallizing in the isometric pyrite structure type. First described from the Driekop Mine in the Bushveld Igneous Complex, South Africa, it forms microscopic metallic grains, euhedral cubes, and complex intergrowths typically hosted in ultramafic rocks, chromitites, and magmatic sulfide deposits.<\/span>\t\t\t\t\t\t<\/a>\n\t\t\t\t\t<\/li>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t<li>\n\t\t\t\t\t\t<a href=\"https:\/\/crystals.rocks\/it\/minerals\/cattierite\/\">\n\t\t\t\t\t\t\t<img src=\"https:\/\/crystals.rocks\/wp-content\/uploads\/2026\/08\/cattierite.jpg\" alt=\"cattierite\" loading=\"lazy\" decoding=\"async\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t<strong>Cattierite<\/strong>\n\t\t\t\t\t\t\t<span>Cattierite is a rare cobalt sulfide mineral with the chemical formula CoS\u2082, belonging to the pyrite group. First discovered in the rich stratiform copper-cobalt deposits of the Katanga Copperbelt in the Democratic Republic of the Congo, it typically occurs as metallic pinkish-gray to dark gray microscopic crystals, cubes, and granular aggregates associated with other base-metal sulfides.<\/span>\t\t\t\t\t\t<\/a>\n\t\t\t\t\t<\/li>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t<li>\n\t\t\t\t\t\t<a href=\"https:\/\/crystals.rocks\/it\/minerals\/bismutotantalite\/\">\n\t\t\t\t\t\t\t<img src=\"https:\/\/crystals.rocks\/wp-content\/uploads\/2026\/08\/bismutotantalite.jpg\" alt=\"bismutotantalite\" loading=\"lazy\" decoding=\"async\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t<strong>Bismutotantalite<\/strong>\n\t\t\t\t\t\t\t<span>Bismutotantalite is a rare heavy tantalum-bismuth oxide mineral belonging to the columbite-tantalite group, crystallizing in the orthorhombic crystal system. Characterized by an exceptionally high specific gravity (up to 8.98\u20139.0 g\/cm\u00b3), sub-adamantine to resinous luster, and high refractive indices, it occurs as a late-stage accessory mineral in highly fractionated, lithium-cesium-tantalum (LCT) enriched granitic pegmatites.<\/span>\t\t\t\t\t\t<\/a>\n\t\t\t\t\t<\/li>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t<li>\n\t\t\t\t\t\t<a href=\"https:\/\/crystals.rocks\/it\/minerals\/delhayelite\/\">\n\t\t\t\t\t\t\t<img src=\"https:\/\/crystals.rocks\/wp-content\/uploads\/2026\/08\/delhayelite.jpg\" alt=\"delhayelite\" loading=\"lazy\" decoding=\"async\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t<strong>Delhayelite<\/strong>\n\t\t\t\t\t\t\t<span>Delhayelite is a rare, structurally complex hydrous potassium-calcium-sodium phyllosilicate mineral containing essential volatile halogens and sulfate anions (Cl, F, and SO\u2084\u00b2\u207b). Initially discovered in the silica-undersaturated peralkaline nephelinite lavas of Mount Shaheru in the Democratic Republic of the Congo, it crystallizes in the orthorhombic crystal system and serves as an important indicator mineral for late-stage volatile and alkali enrichment in hyper-agpaitic igneous environments.<\/span>\t\t\t\t\t\t<\/a>\n\t\t\t\t\t<\/li>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t<li>\n\t\t\t\t\t\t<a href=\"https:\/\/crystals.rocks\/it\/minerals\/manandonite\/\">\n\t\t\t\t\t\t\t<img src=\"https:\/\/crystals.rocks\/wp-content\/uploads\/2026\/08\/manandonite-768x596.jpg\" alt=\"Manandonite\" loading=\"lazy\" decoding=\"async\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t<strong>Manandonite<\/strong>\n\t\t\t\t\t\t\t<span>Manandonite is an extraordinarily rare, lithium- and boron-bearing trioctahedral-dioctahedral phyllosilicate mineral species belonging structurally to the 1:1 serpentine-kaolinite group. First documented in the highly fractionated granitic pegmatites of Madagascar, it is unique in mineralogy as one of the few sheet silicates that accommodates essential structural boron into the tetrahedral layers along with essential octahedral lithium and aluminum.<\/span>\t\t\t\t\t\t<\/a>\n\t\t\t\t\t<\/li>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t<li>\n\t\t\t\t\t\t<a href=\"https:\/\/crystals.rocks\/it\/minerals\/halite\/\">\n\t\t\t\t\t\t\t<img src=\"https:\/\/crystals.rocks\/wp-content\/uploads\/2026\/08\/Halite-768x512.jpg\" alt=\"Halite\" loading=\"lazy\" decoding=\"async\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t<strong>Halite<\/strong>\n\t\t\t\t\t\t\t<span>Halite is the mineral form of sodium chloride (NaCl), commonly known as rock salt. It forms isometric crystals in evaporite deposits and is essential to human life, industry, and chemical production.<\/span>\t\t\t\t\t\t<\/a>\n\t\t\t\t\t<\/li>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t<li>\n\t\t\t\t\t\t<a href=\"https:\/\/crystals.rocks\/it\/minerals\/pseudorutile\/\">\n\t\t\t\t\t\t\t<img src=\"https:\/\/crystals.rocks\/wp-content\/uploads\/2026\/08\/Pseudorutile-2.gif\" alt=\"Pseudorutile\" loading=\"lazy\" decoding=\"async\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t<strong>Pseudorutile<\/strong>\n\t\t\t\t\t\t\t<span>Pseudorutile is an intermediate titanium-iron oxide mineral formed primarily during the low-temperature weathering and progressive leaching of ilmenite in heavy mineral sand deposits. Structurally and chemically distinct from rutile and ilmenite, it plays a vital transitional role in the supergene alteration sequence from ilmenite to leucoxene and secondary rutile\/anatase, making it an essential phase in global titanium placer mining and processing.<\/span>\t\t\t\t\t\t<\/a>\n\t\t\t\t\t<\/li>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t<li>\n\t\t\t\t\t\t<a href=\"https:\/\/crystals.rocks\/it\/minerals\/galena\/\">\n\t\t\t\t\t\t\t<img src=\"https:\/\/crystals.rocks\/wp-content\/uploads\/2026\/08\/Galena-768x512.jpg\" alt=\"Galena\" loading=\"lazy\" decoding=\"async\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t<strong>Galena<\/strong>\n\t\t\t\t\t\t\t<span>Galena is the primary natural mineral form of lead(II) sulfide (PbS), crystallizing in the isometric crystal system with a halite-type rock-salt crystal structure. As the world&#039;s most critical and abundant ore of lead\u2014and a major historical source of byproduct silver\u2014galena is celebrated for its high specific gravity (~7.6), splendent metallic luster, lead-gray streak, and perfect cubic cleavage along three perpendicular planes.<\/span>\t\t\t\t\t\t<\/a>\n\t\t\t\t\t<\/li>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t<li>\n\t\t\t\t\t\t<a href=\"https:\/\/crystals.rocks\/it\/minerals\/forsterite\/\">\n\t\t\t\t\t\t\t<img src=\"https:\/\/crystals.rocks\/wp-content\/uploads\/2026\/08\/Forsterite-768x510.jpg\" alt=\"Forsterite\" loading=\"lazy\" decoding=\"async\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t<strong>Forsterite<\/strong>\n\t\t\t\t\t\t\t<span>Forsterite is the magnesium-rich endmember of the olivine solid-solution series (Mg\u2082SiO\u2084 - Fe\u2082SiO\u2084), crystallizing in the orthorhombic crystal system. As an essential rock-forming orthosilicate (nesosilicate) mineral, it constitutes the dominant volumetric phase of Earth&#039;s upper mantle (peridotite\/dunite) and is widespread in ultramafic igneous rocks, contact-metamorphosed dolomitic limestones, and primitive chondritic meteorites. Gem-quality intermediate varieties rich in the forsterite component are celebrated worldwide as Peridot.<\/span>\t\t\t\t\t\t<\/a>\n\t\t\t\t\t<\/li>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t<li>\n\t\t\t\t\t\t<a href=\"https:\/\/crystals.rocks\/it\/minerals\/quartz\/\">\n\t\t\t\t\t\t\t<img src=\"https:\/\/crystals.rocks\/wp-content\/uploads\/2026\/08\/Quartz-768x575.jpg\" alt=\"Quartz\" loading=\"lazy\" decoding=\"async\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t<strong>Quartz<\/strong>\n\t\t\t\t\t\t\t<span>Quartz is the definitive low-temperature trigonal polymorph of silicon dioxide (SiO\u2082), stable up to 573 \u00b0C at ambient pressures. As the defining benchmark for Mohs hardness 7 and one of the most abundant rock-forming framework tectosilicates in the Earth&#039;s continental crust, quartz is renowned for its strong piezoelectricity, chemical durability, absence of cleavage, and extensive suite of colored macrocrystalline and microcrystalline (chalcedony) varieties.<\/span>\t\t\t\t\t\t<\/a>\n\t\t\t\t\t<\/li>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t<li>\n\t\t\t\t\t\t<a href=\"https:\/\/crystals.rocks\/it\/minerals\/ruby\/\">\n\t\t\t\t\t\t\t<img src=\"https:\/\/crystals.rocks\/wp-content\/uploads\/2026\/08\/Ruby-768x401.jpeg\" alt=\"Ruby\" loading=\"lazy\" decoding=\"async\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t<strong>Ruby<\/strong>\n\t\t\t\t\t\t\t<span>Ruby is the prestigious red, gem-quality variety of the mineral species corundum (aluminum oxide, Al\u2082O\u2083), colored predominantly by trace amounts of chromium (Cr\u00b3\u207a substituting for Al\u00b3\u207a in octahedral coordination). Renowned as one of the traditional cardinal gemstones, it exhibits exceptional Mohs hardness (9), high refractive indices, pronounced pleochroism, and vivid chromium-induced red fluorescence under longwave UV radiation.<\/span>\t\t\t\t\t\t<\/a>\n\t\t\t\t\t<\/li>\n\t\t\t\t\t\t\t<\/ul>\n\t\t\t\t\t<\/nav><\/noscript>\t\t<noscript><style>.cmcf-v2.cmcf-booting{display:none!important}<\/style><\/noscript>\n\t\t<noscript><nav class=\"cmcf-noscript\" aria-label=\"Mineral records\">\n\t\t\t<h2>Mineral records<\/h2>\n\t\t\t<ul>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<li>\n\t\t\t\t\t\t\t<a href=\"https:\/\/crystals.rocks\/it\/minerals\/bismutotantalite\/\">\n\t\t\t\t\t\t\t\t<img src=\"https:\/\/crystals.rocks\/wp-content\/uploads\/2026\/08\/bismutotantalite.jpg\" alt=\"bismutotantalite\" loading=\"lazy\" decoding=\"async\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<strong>Bismutotantalite<\/strong>\n\t\t\t\t\t\t\t\t<span>La bismutotantalite \u00e8 un raro minerale ossido pesante di tantalio e bismuto, appartenente al gruppo della columbite-tantalite, che cristallizza nel sistema cristallino ortorombico. Caratterizzata da una gravit\u00e0 specifica eccezionalmente elevata (fino a 8.98\u20139.0 g\/cm\u00b3), lucentezza da sub-adamantina a resinosa e alti indici di rifrazione, si presenta come minerale accessorio tardivo in pegmatiti granitiche altamente frazionate, arricchite in litio-cesio-tantalio (LCT).<\/span>\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t<\/li>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<li>\n\t\t\t\t\t\t\t<a href=\"https:\/\/crystals.rocks\/it\/minerals\/cattierite\/\">\n\t\t\t\t\t\t\t\t<img src=\"https:\/\/crystals.rocks\/wp-content\/uploads\/2026\/08\/cattierite.jpg\" alt=\"cattierite\" loading=\"lazy\" decoding=\"async\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<strong>Cattierite<\/strong>\n\t\t\t\t\t\t\t\t<span>Cattierite \u00e8 un raro minerale di solfuro di cobalto con formula chimica CoS\u2082, appartenente al gruppo della pirite. Scoperto per la prima volta nei ricchi giacimenti stratiformi di rame-cobalto della Copperbelt del Katanga nella Repubblica Democratica del Congo, si presenta tipicamente come cristalli microscopici metallici di colore grigio-rosato a grigio scuro, cubi e aggregati granulari associati ad altri solfuri di metalli di base.<\/span>\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t<\/li>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<li>\n\t\t\t\t\t\t\t<a href=\"https:\/\/crystals.rocks\/it\/minerals\/delhayelite\/\">\n\t\t\t\t\t\t\t\t<img src=\"https:\/\/crystals.rocks\/wp-content\/uploads\/2026\/08\/delhayelite.jpg\" alt=\"delhayelite\" loading=\"lazy\" decoding=\"async\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<strong>Delhayelite<\/strong>\n\t\t\t\t\t\t\t\t<span>La delhayelite \u00e8 un raro fillosilicato idrato di potassio-calcio-sodio, strutturalmente complesso, contenente alogeni volatili essenziali e anioni solfato (Cl, F e SO\u2084\u00b2\u207b). Scoperta inizialmente nelle lave nefelinitiche peralcaline sottosature in silice del Monte Shaheru nella Repubblica Democratica del Congo, cristallizza nel sistema cristallino ortorombico e funge da importante minerale indicatore per i volatili delle fasi tardive...<\/span>\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t<\/li>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<li>\n\t\t\t\t\t\t\t<a href=\"https:\/\/crystals.rocks\/it\/minerals\/edscottite\/\">\n\t\t\t\t\t\t\t\t<img src=\"https:\/\/crystals.rocks\/wp-content\/uploads\/2026\/09\/edscottite.jpg\" alt=\"Edscottite\" loading=\"lazy\" decoding=\"async\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<strong>Edscottite<\/strong>\n\t\t\t\t\t\t\t\t<span>L&#039;edscottite \u00e8 un minerale ultra-raro di carburo di ferro (Fe5C2) scoperto all&#039;interno della meteorite di ferro Wedderburn, formatosi come fase durante il lento raffreddamento del nucleo di un antico planetesimo.<\/span>\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t<\/li>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<li>\n\t\t\t\t\t\t\t<a href=\"https:\/\/crystals.rocks\/it\/minerals\/ferropericlase\/\">\n\t\t\t\t\t\t\t\t<img src=\"https:\/\/crystals.rocks\/wp-content\/uploads\/2026\/08\/ferropericlase.jpg\" alt=\"ferropericlasio\" loading=\"lazy\" decoding=\"async\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<strong>Ferropericlase<\/strong>\n\t\t\t\t\t\t\t\t<span>La ferropericlase (o magnesiow\u00fcstite) \u00e8 una variet\u00e0 o specie di periclase contenente ferro, rappresentata dalla formula chimica (Mg,Fe)O. \u00c8 interpretata come uno dei componenti minerali primari del mantello inferiore della Terra insieme alla perovskite di silicato, presente frequentemente come micro-inclusioni nei diamanti del mantello profondo.<\/span>\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t<\/li>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<li>\n\t\t\t\t\t\t\t<a href=\"https:\/\/crystals.rocks\/it\/minerals\/forsterite\/\">\n\t\t\t\t\t\t\t\t<img src=\"https:\/\/crystals.rocks\/wp-content\/uploads\/2026\/08\/Forsterite-768x510.jpg\" alt=\"Forsterite\" loading=\"lazy\" decoding=\"async\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<strong>Forsterite<\/strong>\n\t\t\t\t\t\t\t\t<span>La forsterite \u00e8 il termine estremo ricco di magnesio della serie di soluzione solida dell&#039;olivina (Mg\u2082SiO\u2084 - Fe\u2082SiO\u2084), che cristallizza nel sistema cristallino ortorombico. Come minerale ortosilicato (nesosilicato) essenziale nella formazione delle rocce, costituisce la fase volumetricamente dominante del mantello superiore terrestre (peridotite\/dunite) ed \u00e8 diffusa nelle rocce ignee ultramafiche, nei calcari dolomitici metamorfosati per contatto e nelle meteoriti condritiche primitive. Variet\u00e0 intermedie di qualit\u00e0 gemmologica ricche di...<\/span>\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t<\/li>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<li>\n\t\t\t\t\t\t\t<a href=\"https:\/\/crystals.rocks\/it\/minerals\/galena\/\">\n\t\t\t\t\t\t\t\t<img src=\"https:\/\/crystals.rocks\/wp-content\/uploads\/2026\/08\/Galena-768x512.jpg\" alt=\"Galena\" loading=\"lazy\" decoding=\"async\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<strong>Galena<\/strong>\n\t\t\t\t\t\t\t\t<span>La galena \u00e8 la principale forma minerale naturale del solfuro di piombo(II) (PbS), che cristallizza nel sistema cristallino isometrico con una struttura cristallina tipo salgemma (alite). Come il minerale di piombo pi\u00f9 critico e abbondante al mondo\u2014e una delle principali fonti storiche di argento come sottoprodotto\u2014la galena \u00e8 celebre per la sua elevata densit\u00e0 relativa (~7,6), lucentezza metallica splendente, striscia grigio-piombo e perfetta cubica...<\/span>\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t<\/li>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<li>\n\t\t\t\t\t\t\t<a href=\"https:\/\/crystals.rocks\/it\/minerals\/gerstleyite\/\">\n\t\t\t\t\t\t\t\t<img src=\"https:\/\/crystals.rocks\/wp-content\/uploads\/2026\/09\/gerstleyite-768x767.jpg\" alt=\"gerstleyite (2)\" loading=\"lazy\" decoding=\"async\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<strong>Gerstleyite<\/strong>\n\t\t\t\t\t\t\t\t<span>La gerstleyite \u00e8 un minerale solfosale idrato di sodio, antimonio e arsenico estremamente raro, noto come uno dei primi solfosali contenenti alcali scoperti. Si presenta tipicamente sotto forma di aggregati fibrosi o lamellari di colore rosso cinabro fino a rosso scuro nei depositi lacustri di borati.<\/span>\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t<\/li>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<li>\n\t\t\t\t\t\t\t<a href=\"https:\/\/crystals.rocks\/it\/minerals\/geversite\/\">\n\t\t\t\t\t\t\t\t<img src=\"https:\/\/crystals.rocks\/wp-content\/uploads\/2026\/08\/geversite.jpg\" alt=\"geversite\" loading=\"lazy\" decoding=\"async\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<strong>Geversite<\/strong>\n\t\t\t\t\t\t\t\t<span>La geversite \u00e8 un raro minerale del gruppo del platino (PGM) con composizione chimica PtSb\u2082, che cristallizza nel tipo strutturale isometrico della pirite. Descritta per la prima volta dalla miniera di Driekop nel Complesso Igneo del Bushveld, in Sudafrica, forma grani metallici microscopici, cubi euhedrali e complesse intercrescite tipicamente ospitati in rocce ultramafiche, cromititi e depositi di solfuri magmatici.<\/span>\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t<\/li>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<li>\n\t\t\t\t\t\t\t<a href=\"https:\/\/crystals.rocks\/it\/minerals\/halite\/\">\n\t\t\t\t\t\t\t\t<img src=\"https:\/\/crystals.rocks\/wp-content\/uploads\/2026\/08\/Halite-768x768.png\" alt=\"Alogite\" loading=\"lazy\" decoding=\"async\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<strong>Alogite<\/strong>\n\t\t\t\t\t\t\t\t<span>L&#039;halite \u00e8 la forma minerale del cloruro di sodio (NaCl), comunemente nota come salgemma. Forma cristalli isometrici nei depositi evaporitici ed \u00e8 essenziale per la vita umana, l&#039;industria e la produzione chimica.<\/span>\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t<\/li>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<li>\n\t\t\t\t\t\t\t<a href=\"https:\/\/crystals.rocks\/it\/minerals\/kernowite\/\">\n\t\t\t\t\t\t\t\t<img src=\"https:\/\/crystals.rocks\/wp-content\/uploads\/2026\/09\/imgi_115_kernowite.png\" alt=\"Kernowite\" loading=\"lazy\" decoding=\"async\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<strong>Kernowite<\/strong>\n\t\t\t\t\t\t\t\t<span>Il kernowite \u00e8 un raro minerale idrato di arseniato di rame e ferro, scoperto a St Day, in Cornovaglia, Regno Unito. \u00c8 l&#039;anologo dominante del ferro rispetto al liroconite. Conosciuto per i suoi cristalli distintivi di colore verde smeraldo, cristallizza nel sistema monoclino e si forma tipicamente come cristalli tabulari a forma di cuneo nelle zone ossidate dei giacimenti di rame.<\/span>\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t<\/li>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<li>\n\t\t\t\t\t\t\t<a href=\"https:\/\/crystals.rocks\/it\/minerals\/krotite\/\">\n\t\t\t\t\t\t\t\t<img src=\"https:\/\/crystals.rocks\/wp-content\/uploads\/2026\/09\/krotite-768x549.png\" alt=\"sottomettete\" loading=\"lazy\" decoding=\"async\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<strong>Domate<\/strong>\n\t\t\t\t\t\t\t\t<span>Il krotite \u00e8 un minerale di ossido di alluminato di calcio (CaAl\u2082O\u2084) a bassa pressione e alta temperatura, scoperto all&#039;interno di inclusioni refrattarie in meteoriti condritiche primitive, che rappresenta uno dei primi materiali solidi formatisi nella nebulosa solare.<\/span>\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t<\/li>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<li>\n\t\t\t\t\t\t\t<a href=\"https:\/\/crystals.rocks\/it\/minerals\/manandonite\/\">\n\t\t\t\t\t\t\t\t<img src=\"https:\/\/crystals.rocks\/wp-content\/uploads\/2026\/08\/manandonite-768x596.jpg\" alt=\"Manandonite\" loading=\"lazy\" decoding=\"async\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<strong>Manandonite<\/strong>\n\t\t\t\t\t\t\t\t<span>La manandonite \u00e8 una specie minerale fillosilicatica triottaedrica-diottaedrica estremamente rara, contenente litio e boro, appartenente strutturalmente al gruppo 1:1 serpentino-caolinite. Documentata per la prima volta nei pegmatiti granitici altamente frazionati del Madagascar, \u00e8 unica in mineralogia come uno dei pochi fillosilicati che incorpora boro strutturale essenziale negli strati tetraedrici insieme a litio ottaedrico essenziale e...<\/span>\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t<\/li>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<li>\n\t\t\t\t\t\t\t<a href=\"https:\/\/crystals.rocks\/it\/minerals\/naldrettite\/\">\n\t\t\t\t\t\t\t\t<img src=\"https:\/\/crystals.rocks\/wp-content\/uploads\/2026\/09\/naldrettite-768x512.jpg\" alt=\"Naldrettite\" loading=\"lazy\" decoding=\"async\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<strong>Naldrettite<\/strong>\n\t\t\t\t\t\t\t\t<span>La naldrettite \u00e8 un raro minerale antimonuro di palladio (Pd2Sb) scoperto nel distretto minerario di Sudbury, che si forma in condizioni idrotermali magmatiche tardive all&#039;interno di giacimenti solfuri di nichel-rame.<\/span>\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t<\/li>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<li>\n\t\t\t\t\t\t\t<a href=\"https:\/\/crystals.rocks\/it\/minerals\/pseudorutile\/\">\n\t\t\t\t\t\t\t\t<img src=\"https:\/\/crystals.rocks\/wp-content\/uploads\/2026\/08\/Pseudorutile-2.gif\" alt=\"Pseudorutile\" loading=\"lazy\" decoding=\"async\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<strong>Pseudorutile<\/strong>\n\t\t\t\t\t\t\t\t<span>Lo pseudorutile \u00e8 un minerale intermedio di ossido di titanio-ferro formato principalmente durante l&#039;alterazione a bassa temperatura e la lisciviazione progressiva dell&#039;ilmenite nei depositi di sabbie minerali pesanti. Strutturalmente e chimicamente distinto da rutilo e ilmenite, svolge un ruolo vitale di transizione nella sequenza di alterazione supergenica da ilmenite a leucoxene e rutilo\/anatase secondari, rendendolo una fase essenziale in...<\/span>\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t<\/li>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<li>\n\t\t\t\t\t\t\t<a href=\"https:\/\/crystals.rocks\/it\/minerals\/quartz\/\">\n\t\t\t\t\t\t\t\t<img src=\"https:\/\/crystals.rocks\/wp-content\/uploads\/2026\/08\/Quartz-768x575.jpg\" alt=\"Quarzo\" loading=\"lazy\" decoding=\"async\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<strong>Quarzo<\/strong>\n\t\t\t\t\t\t\t\t<span>Il quarzo \u00e8 il polimorfo trigonale definitivo a bassa temperatura del biossido di silicio (SiO\u2082), stabile fino a 573 \u00b0C a pressioni ambiente. Come riferimento definitorio per la durezza 7 della scala di Mohs e uno dei tectosilicati a reticolo pi\u00f9 abbondanti nella crosta continentale terrestre, il quarzo \u00e8 rinomato per la sua forte piezoelettricit\u00e0, durabilit\u00e0 chimica, assenza di sfaldatura e ampia suite...<\/span>\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t<\/li>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<li>\n\t\t\t\t\t\t\t<a href=\"https:\/\/crystals.rocks\/it\/minerals\/ruby\/\">\n\t\t\t\t\t\t\t\t<img src=\"https:\/\/crystals.rocks\/wp-content\/uploads\/2026\/08\/imgi_212_Cut_Ruby_Image-768x395.jpg\" alt=\"Rubino\" loading=\"lazy\" decoding=\"async\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<strong>Rubino<\/strong>\n\t\t\t\t\t\t\t\t<span>Il rubino \u00e8 la prestigiosa variet\u00e0 rossa, di qualit\u00e0 gemma, della specie minerale corindone (ossido di alluminio, Al\u2082O\u2083), colorato prevalentemente da tracce di cromo (Cr\u00b3\u207a che sostituisce Al\u00b3\u207a in coordinazione ottaedrica). Rinomato come una delle tradizionali gemme cardinali, presenta eccezionale durezza Mohs (9), elevati indici di rifrazione, spiccato pleocroismo e vivida fluorescenza rossa indotta dal cromo sotto UV a onda lunga...<\/span>\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t<\/li>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<li>\n\t\t\t\t\t\t\t<a href=\"https:\/\/crystals.rocks\/it\/minerals\/sicherite\/\">\n\t\t\t\t\t\t\t\t<img src=\"https:\/\/crystals.rocks\/wp-content\/uploads\/2026\/09\/sicherite-3-768x606.jpg\" alt=\"Assicurati\" loading=\"lazy\" decoding=\"async\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<strong>Assicurati<\/strong>\n\t\t\t\t\t\t\t\t<span>Sicherite \u00e8 un minerale raro di solfuro di arseniuro di tallio appartenente al sistema cristallino ortorombico, scoperto per la prima volta nelle cavit\u00e0 dei dolomiti triassici della famosa cava di Lengenbach, Svizzera.<\/span>\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t<\/li>\n\t\t\t\t\t\t\t\t\t\t\t\t<\/ul>\n\t\t<\/nav><\/noscript>\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"elementor_header_footer","meta":{"_seopress_titles_title":"Minerals, Crystals & Gemstones Database","_seopress_titles_desc":"An open-access mineral, crystal, and gemstone database providing physical properties, formulas, and scientific records for education and research.","_seopress_robots_index":"","_seopress_robots_follow":"","_seopress_robots_imageindex":"","_seopress_robots_snippet":"","_seopress_robots_primary_cat":"","_seopress_robots_breadcrumbs":"","_seopress_robots_freeze_modified_date":"","_seopress_robots_custom_modified_date":"","_seopress_robots_canonical":"","_seopress_social_fb_title":"","_seopress_social_fb_desc":"","_seopress_social_fb_img":"","_seopress_social_fb_img_attachment_id":0,"_seopress_social_fb_img_width":0,"_seopress_social_fb_img_height":0,"_seopress_social_twitter_title":"","_seopress_social_twitter_desc":"","_seopress_social_twitter_img":"","_seopress_social_twitter_img_attachment_id":0,"_seopress_social_twitter_img_width":0,"_seopress_social_twitter_img_height":0,"_seopress_redirections_value":"","_seopress_redirections_enabled":"","_seopress_redirections_enabled_regex":"","_seopress_redirections_logged_status":"","_seopress_redirections_param":"","_seopress_redirections_type":0,"_seopress_analysis_target_kw":"","footnotes":""},"class_list":["post-39","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/crystals.rocks\/it\/wp-json\/wp\/v2\/pages\/39","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/crystals.rocks\/it\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/crystals.rocks\/it\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/crystals.rocks\/it\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/crystals.rocks\/it\/wp-json\/wp\/v2\/comments?post=39"}],"version-history":[{"count":13,"href":"https:\/\/crystals.rocks\/it\/wp-json\/wp\/v2\/pages\/39\/revisions"}],"predecessor-version":[{"id":5035,"href":"https:\/\/crystals.rocks\/it\/wp-json\/wp\/v2\/pages\/39\/revisions\/5035"}],"wp:attachment":[{"href":"https:\/\/crystals.rocks\/it\/wp-json\/wp\/v2\/media?parent=39"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}